Skin treatment beautifying device and control method thereof

Abstract

The invention relates to the technical field of medical instruments, in particular to a skin treatment beauty device and a control method thereof. The method comprises the following steps: acquiring skin data of a user and treatment modes selected by the user, wherein the treatment modes comprise a freckle removing mode, a skin tendering mode and a scar repairing mode; the skin data comprises pigment plaque depth; according to the treatment mode and the skin data, treatment parameters of the user are determined from a preset mapping relation among the treatment mode, the skin data and the treatment parameters, and the treatment parameters comprise laser energy; and outputting the treatment parameters to enable the skin treatment beauty device to output corresponding laser. The device can meet different levels of treatment requirements of the skin, and the treatment effect is ensured.

Description

Technical Field

[0001] This invention relates to the field of medical device technology. More specifically, this invention relates to a skin treatment and cosmetic device and its control method. Background Technology

[0002] In the field of skin aesthetics and treatment, erbium lasers, due to their high water absorption properties at specific wavelengths, occupy an important position in applications such as skin rejuvenation, freckle removal, and scar repair. However, the control parameters of traditional erbium laser skin treatment devices are obtained based on human experience. During use, it is necessary to look up the corresponding parameters in the operation table according to the user's situation (usually determined by visual observation), which reduces the efficiency of use. Moreover, errors are prone to occur when looking up tables or setting parameters, leading to excessive damage or unsatisfactory treatment results. At the same time, fixed parameters cannot be adapted to the patient's condition, resulting in poor treatment effects. All of these factors hinder the widespread application of erbium laser skin treatment devices.

[0003] Therefore, how to avoid poor treatment results caused by fixed parameters is a technical problem that urgently needs to be solved. Summary of the Invention

[0004] To address the technical problem of poor treatment outcomes caused by fixed parameters, the present invention provides solutions in the following aspects.

[0005] In a first aspect, the present invention provides a control method for a skin treatment and beauty device, comprising: acquiring a user's skin data and a treatment mode selected by the user, the treatment mode including a freckle removal mode, a skin rejuvenation mode, and a scar repair mode; the skin data including the depth of pigmentation spots; determining the user's treatment parameters, including laser energy, based on the treatment mode and the skin data from a preset mapping relationship between the treatment mode, skin data, and treatment parameters; and outputting the treatment parameters to cause the skin treatment and beauty device to output a corresponding laser.

[0006] Furthermore, the treatment parameters include a first treatment parameter and a second treatment parameter; the user's treatment parameters are determined from a preset treatment mode and the mapping relationship between skin data and treatment parameters, including: if the treatment mode is a freckle removal mode and the depth of the pigmented patch is less than a preset first depth threshold, then the first treatment parameter is matched; if the treatment mode is a freckle removal mode and the depth of the pigmented patch is greater than or equal to the preset first depth threshold, then the second treatment parameter is matched.

[0007] Furthermore, the process of removing freckles also includes: monitoring the temperature of the working area, and in response to the temperature reaching a preset temperature threshold, inserting a cooling interval and reducing the laser energy of the next pulse.

[0008] Furthermore, the treatment parameters include a third treatment parameter and a fourth treatment parameter, and the skin data includes scar depression depth; the user's treatment parameters are determined from the preset treatment mode and the mapping relationship between skin data and treatment parameters, including: if the treatment mode is a scar repair mode and the scar depression depth is less than a preset second depth threshold, then the third treatment parameter is matched; if the treatment mode is a scar repair mode and the scar depression depth is greater than or equal to the preset second depth threshold, then the fourth treatment parameter is matched.

[0009] Furthermore, it also includes: in scar repair mode, scanning output is performed using a spiral filling algorithm.

[0010] Furthermore, the scanning output is performed using a spiral filling algorithm, including: obtaining the initial spot spacing and the maximum spot spacing; generating spiral points expanding outward from the center based on the initial spot spacing and the maximum spot spacing; collecting the temperature of the current spiral point; if the temperature is greater than a first set value, increasing the spot spacing corresponding to the current spiral point and reducing the laser energy; if the temperature is less than a second set value and the density of the lesion area where the current spiral point is located is greater than a third set value, decreasing the spot spacing corresponding to the current spiral point. The lesion area is obtained by segmenting the user's skin surface image.

[0011] Furthermore, the treatment parameters include a fifth treatment parameter; the user's treatment parameters are determined from the preset treatment mode, the mapping relationship between skin data and treatment parameters, including: if the treatment mode is a skin rejuvenation mode, then the fifth treatment parameter is matched.

[0012] Furthermore, the fifth treatment parameter also includes the power of the radiofrequency electromagnetic wave, and the skin data also includes skin impedance. In the skin rejuvenation mode, the following further applies: when the skin impedance is in a first range, the power of the output radiofrequency electromagnetic wave is positively correlated with the skin impedance and a first coefficient; when the skin impedance is in a second range, the power of the output radiofrequency electromagnetic wave is positively correlated with the skin impedance; when the skin impedance is in a third range, the power of the output radiofrequency electromagnetic wave is positively correlated with the skin impedance and a second coefficient; when the skin impedance is in a fourth or fifth range, the output of the treatment parameter is stopped; wherein, the second coefficient is less than the first coefficient and less than 1.

[0013] Furthermore, by acquiring images of the user's skin surface using a multispectral camera, the depth of the pigmented patches is obtained by identifying the skin surface images.

[0014] In a second aspect, the present invention provides a skin treatment and cosmetic device for performing the control method of the skin treatment and cosmetic device described in the first aspect; the device includes: a skin data acquisition module, comprising a multispectral camera, an infrared thermal imager, and a skin impedance measurement electrode; wherein the multispectral camera is used to acquire skin surface images, the infrared thermal imager is used to acquire skin surface temperature, and the skin impedance measurement electrode is used to acquire skin impedance; an erbium laser generating module, comprising a laser, the laser being used to output laser light corresponding to treatment parameters; and an optical transmission and scanning module, connected to the erbium laser generating module, comprising a vibration... The system includes a galvanometer scanner, which is used to change the emission direction and scanning path of the laser so that the laser irradiates the target area; a treatment head execution module, connected to the optical transmission and scanning module, including an ablative head and a non-ablative head; wherein the ablative head includes a focusing lens and the non-ablative head includes a diverging lens; and a central control module, connected to the data acquisition module, the erbium laser generation module, the optical transmission and scanning module, and the treatment head execution module, respectively, for outputting corresponding control commands to the erbium laser generation module, the optical transmission and scanning module, and the treatment head execution module based on the skin data acquired by the skin data acquisition module and the treatment mode selected by the user.

[0015] The beneficial effects of this invention are as follows: By directly matching corresponding treatment parameters based on the collected skin data, it can adapt to the treatment needs of different skin layers, avoiding the problems of excessive damage or unsatisfactory efficacy that can occur when setting treatment parameters based on experience or using fixed parameters, thereby improving treatment effectiveness. By integrating multiple treatment modes, it can meet the treatment needs of different skin types, thus broadening its application range; and by monitoring the skin surface temperature in real time, it ensures the safety of skin treatment by increasing the cooling interval and reducing the laser energy when the temperature exceeds a set value. Attached Figure Description

[0016] Figure 1 This is a flowchart schematically illustrating a control method for a skin treatment and beauty device according to an embodiment of the present invention;

[0017] Figure 2 This is a schematic block diagram illustrating the structure of a skin treatment and beauty device according to an embodiment of the present invention. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0020] Figure 1 This is a flowchart illustrating, schematically, a control method for a skin treatment and beauty device according to an embodiment of the present invention.

[0021] To address the limitations of traditional erbium laser devices, such as their crude energy control, inability to adapt to the treatment needs of different skin layers (epidermis, dermis), reliance on the experience of medical personnel to adjust treatment parameters (which can easily lead to excessive damage or substandard treatment results due to insufficient experience or misoperation), and the fact that existing devices are often limited to a single ablative or non-ablative mode, this invention provides, in a first aspect, a control method for a skin treatment and cosmetic device, such as... Figure 1 As shown, the method of the present invention includes the following steps.

[0022] S101. Obtain the user's skin data and the treatment mode selected by the user.

[0023] Specifically, users can select treatment modes on the display screen (the human-computer interaction module in the skin treatment and beauty device). In this embodiment, the treatment modes include a pigmentation removal mode, a skin rejuvenation mode, and a scar repair mode; skin data includes pigmentation depth, scar depression depth, skin surface temperature, and skin impedance. Specifically, a multispectral camera can be used to acquire images of the user's facial skin surface, which are then analyzed to determine the pigmentation depth; an OTC probe can be used to acquire OTC images of the user's face, which are then analyzed to determine the scar depression depth; skin impedance can be measured using skin impedance measurement electrodes; and the user's skin surface temperature can be measured using an infrared thermal imager.

[0024] Because different wavelengths of light penetrate the skin to varying depths (e.g., 400nm light only reaches the epidermis, while 800nm ​​light can reach the dermis), the depth of pigmented patches can be obtained by fitting a pigment distribution model to a reflectance spectrum curve. Furthermore, the method for obtaining scar depression depth is as follows: An OTC image is generated by scanning the scar area with an OTC probe (Optical Coherence Tomography), and the epidermis (high reflectance zone, grayscale value > 150 / 255) and the scar base (low reflectance area, grayscale value < 150 / 255, where disordered collagen arrangement in scar tissue leads to reduced scattering) are identified. Then, the vertical distance between the epidermis and the scar base is calculated (e.g., using an image ruler method).

[0025] S102. Based on the treatment mode and the skin data, determine the user's treatment parameters from the preset mapping relationship between the treatment mode, skin data and treatment parameters.

[0026] In this embodiment, the treatment parameters include a first treatment parameter, a second treatment parameter, a third treatment parameter, a fourth treatment parameter, and a fifth treatment parameter. Different treatment modes and skin data correspond to different treatment parameters.

[0027] Specifically, if the treatment mode is for removing freckles and the depth of the pigmented patch is less than the preset first depth threshold (50 μm in this embodiment), it indicates that the pigmented patch is located in the superficial layer of the skin, and the first treatment parameter is matched; if the treatment mode is for removing freckles and the depth of the pigmented patch is greater than or equal to the preset first depth threshold, it indicates that the pigmented patch is located in the deep layer of the skin, and the second treatment parameter is matched.

[0028] In this embodiment, the first treatment parameters are: laser energy of 1.5 J / cm² and laser pulse width of 300 μs; the second treatment parameters are: laser energy of 2.2 J / cm² and laser pulse width of 800 μs. By matching different treatment parameters to different treatment needs (in this embodiment, the treatment need is the removal of pigmented lesions, such as freckles and age spots) and different pigment depths, the effect of removing pigment can be improved, while avoiding damage to surrounding normal tissue.

[0029] In one embodiment, in the spot removal mode, the method further includes: real-time detection of the temperature of the spot treatment area (i.e., the working area of ​​the skin treatment device); if the temperature reaches a preset temperature threshold, a 5ms cooling interval (increasing cold air) is inserted, and the laser energy of the next pulse is reduced by 10% to avoid the problem of heat accumulation caused by multiple scans, thereby improving the safety of treatment.

[0030] In one embodiment, the upper limit of laser energy is set to 3J / cm2. When this upper limit is reached, the laser output can be forcibly cut off by an electromagnetic shutter.

[0031] In one embodiment, if it is a scar repair mode and the scar depression depth is less than a preset second depth threshold (set to 0.1 mm in this embodiment), it indicates that the scar is in the superficial layer of the skin, and a third treatment parameter is matched to stimulate epidermal regeneration; if it is a scar repair mode and the scar depression depth is greater than or equal to the preset second depth threshold, it indicates that the scar is in the deep layer of the skin, and a fourth treatment parameter is matched to promote collagen remodeling.

[0032] In this embodiment, the third treatment parameter is: laser energy of 1.8 J / cm², high-density fractional laser (coverage 25%); the fourth treatment parameter is: laser energy of 3.5 J / cm², low-density fractional laser (coverage 10%). By matching different treatment parameters to different treatment needs (in this embodiment, the treatment need is for atrophic scar repair, such as acne scars) and different depths of atrophy, the scar repair effect can be improved, meeting the treatment needs of different layers of the skin.

[0033] In addition, during scar repair, a low-temperature (4°C) airflow is simultaneously output through a cooling system to cool the epidermis.

[0034] If the treatment mode is skin rejuvenation mode, then the fifth treatment parameter is directly matched. In this embodiment, the fifth treatment parameter is: laser energy of 0.8 J / cm2, laser pulse width of 5 ms, and laser frequency of 10 Hz.

[0035] In another embodiment, the fifth treatment parameter output also includes the frequency and power of the radiofrequency electromagnetic wave. In this embodiment, the frequency is 1MHz, and the power is determined by the user's skin impedance. Specifically, if the user's skin impedance is within a first range (200-300Ω), the power of the output radiofrequency electromagnetic wave is positively correlated with the skin impedance and a first coefficient, respectively. In one embodiment, the power P of the output radiofrequency electromagnetic wave is calculated as: P = 0.8·I²·Z, where I is the total current passing through the tissue (current density multiplied by the electrode area), Z is the skin impedance, and 0.8 is the first coefficient.

[0036] If the user's skin impedance is in the second range (300-400Ω), the power of the output radio frequency electromagnetic wave is positively correlated with the skin impedance; in one embodiment, the power P of the output radio frequency electromagnetic wave is calculated as: P = I²·Z, where I is the target current (density multiplied by electrode area) and Z is the skin impedance.

[0037] If the user's skin impedance is in the third range (400-500Ω), the power of the output radio frequency electromagnetic wave is positively correlated with the skin impedance and the second coefficient, respectively. In one embodiment, the calculation expression of the power P of the output radio frequency electromagnetic wave is: P = 0.6·I²·Z, where I is the target current (density multiplied by electrode area), Z is the skin impedance, and 0.6 is the second coefficient.

[0038] The output of treatment parameters should be stopped when the user's skin impedance falls within the fourth or fifth range. The fourth range is defined as skin impedance less than 200Ω, and the fifth range as skin impedance greater than 500Ω. If the skin impedance is too high (greater than 500Ω), epidermal burns may occur, so the treatment should be stopped immediately. If the skin impedance is too low (less than 200Ω), the treatment cannot effectively reach the dermis, and the output should be paused with a prompt for manual adjustment of treatment parameters to ensure treatment effectiveness.

[0039] By outputting different radiofrequency electromagnetic wave powers according to the user's skin impedance, system losses can be compensated and burns can be avoided, thus ensuring the effectiveness and safety of the treatment.

[0040] S103. Output the treatment parameters so that the skin treatment and beauty device outputs the corresponding laser.

[0041] Based on different treatment modes and skin data, corresponding treatment parameters are output so that the skin treatment and beauty device can output corresponding laser and radio frequency electromagnetic waves (radio frequency module, embedded in the treatment head), thereby meeting the treatment needs of different skin types and different skin layers, and avoiding the problems of treatment damage or unsatisfactory results caused by fixed parameters.

[0042] In one embodiment, in scar repair mode, fractional scanning (scanning via a path generated by a dynamic spiral fill algorithm) is employed. Fractional scanning is a precision energy control technology in laser cosmetic procedures that achieves selective damage and precise repair by dividing the laser beam into thousands of tiny spots to form regularly arranged micro-treatment zones on the skin.

[0043] Traditional spiral fill algorithms typically generate static spiral paths, generally expanding outwards from the center of the treatment area. The pitch is fixed, and the coverage is calculated from the pitch and diameter of the light source. The specific implementation code is as follows:

[0044] def spiral_scan(radius,pitch):

[0045] theta = 0# Angle

[0046] r=0#Current radius

[0047] while r <radius:

[0048] x = r * cos(theta)

[0049] y = r * sin(theta)

[0050] yield(x,y) # Coordinates of the current point

[0051] r+=pitch / (2*pi)#Increment of radius per revolution

[0052] theta+ = 0.1# Angle step

[0053] However, due to the uneven density of the lesion area, using a fixed interval for scanning output cannot guarantee the treatment effect. Moreover, when the local temperature is too high, the scan is not skipped or the energy is not reduced, which can easily cause skin damage. To address these issues, this invention proposes a dynamic spiral fill algorithm to overcome the shortcomings of the static spiral fill algorithm.

[0054] Specifically, the initial spot spacing and the maximum spot spacing (both preset values) are obtained; based on the initial spot spacing and the maximum spot spacing, spiral points expanding outward from the center are generated (the method is the same as the path generated by the static spiral filling algorithm, that is, the subsequent adjustment is to optimize the path generated by the static spiral filling algorithm);

[0055] The temperature of the current spiral point is collected. If the temperature is greater than a first preset value (40℃ in this embodiment), the spot spacing corresponding to the current spiral point is increased (the spot spacing refers to the distance between the center points of two adjacent laser spots, increased to 1.2 times the original value), and the laser energy is reduced (reduced to 0.8 times the original value), while a 5-second cooling process is initiated. If the temperature is less than a second preset value (38℃ in this embodiment), and the density of the lesion area where the current spiral point is located is greater than a third preset value (0.7 in this embodiment), the spot spacing corresponding to the current spiral point is reduced (reduced to 0.9 times the original value). The lesion area is obtained by segmenting the user's skin surface image. The specific implementation code is as follows:

[0056]

[0057] By adjusting the spacing and energy according to the temperature and density of the lesion area, damage caused by excessively high temperature and problems caused by excessively large spacing that prevent high-density lesion areas from being effectively treated can be avoided, thereby improving the effect of scar repair.

[0058] In an optional embodiment, the current spot spacing can also be determined directly based on the density of the lesion area. Specifically, the target coverage is calculated. In this embodiment, the target coverage target_coverage is calculated as: target_coverage = 20 + (15 * density), where density is the density of the lesion area (the pixel density of the scar, normalized to a value between 0 and 1). Further, the spot spacing is determined based on this target coverage. In this embodiment, the spot spacing pitch is calculated as: pitch = spot_size * sqrt(1 / target_coverage), where spot_size is the diameter of the circular spot formed by a single laser beam on the skin surface (i.e., the spot diameter), and Sqrt() is the square root function.

[0059] By adjusting the spacing of the light spots according to the density of the lesion area, it can be ensured that high-density lesion areas can be effectively repaired.

[0060] Figure 2 This is a schematic block diagram illustrating the structure of a skin treatment and beauty device according to an embodiment of the present invention.

[0061] In a second aspect, the present invention provides a skin treatment and beauty device for performing the control method of the skin treatment and beauty device described in the first aspect. For example... Figure 2 As shown, the device of the present invention includes a skin data acquisition module, an erbium laser generation module, an optical transmission and scanning module, and a treatment module.

[0062] The treatment head execution module, central control module, and human-computer interaction module are designed as follows: The skin data acquisition module is connected to the central control module to collect the user's skin data; the erbium laser generating module is connected to both the central control module and the optical transmission and scanning module to generate laser light; the optical transmission and scanning module is connected to both the central control module and the treatment head execution module to transmit the laser light and change its emission direction and scanning path; the treatment head execution module is connected to the central control module to apply the laser light to the patient's treatment area; the central control module receives data from the skin data acquisition module and outputs control commands to the erbium laser generating module, optical transmission and scanning module, and treatment head execution module; the human-computer interaction module enables interactive actions such as obtaining the user's selected treatment mode.

[0063] In one embodiment, the skin data acquisition module includes a multispectral camera (400-1100nm band, resolution 1280×1024), an infrared thermal imager (temperature measurement range 30-100℃), and skin impedance measurement electrodes; wherein, the multispectral camera is used to acquire images of the user's skin surface, the infrared thermal imager is used to acquire skin surface temperature, and the skin impedance measurement electrodes are used to acquire skin impedance.

[0064] The erbium laser generating module includes a laser and a high-speed electro-optic modulator (response time <1μs). The laser is used to output pulses corresponding to the treatment parameters. In this embodiment, a flash lamp-pumped Er:YAG laser is used, capable of outputting adjustable pulse energy (10-500mJ), pulse width (100μs-10ms), and frequency (1-20Hz); the high-speed electro-optic modulator is used to adjust the single pulse energy in real time.

[0065] The optical transmission and scanning module includes an optical shaping system and a scanning system. The optical shaping system includes a beam expander group (Galilean telescope, 5× beam expander) and a flat-top aperture (microlens array and optical integrating rod) to improve the quality of the laser beam and to homogenize the distribution of laser energy. The scanning system includes a galvanometer scanner (XY axis, coverage adjustable from 5 to 30%) and an F-theta lens (wide-area homogenizer), which can perform spot scanning (minimum spot diameter of 0.1 mm) and large-area scanning (10×10 mm area homogenization).

[0066] The treatment head execution module includes an ablative head (focusing lens, NA=0.3) and a non-ablative head (divergent lens, spot diameter 5mm). A mechanical quick-release structure is used to switch between the ablative head and the non-ablative head, thereby performing different skin treatments.

[0067] In an optional embodiment, the treatment head actuation module further includes a thermoelectric cooler (TEC, cooled to 4°C), airflow cooling (flow rate 5 L / min), and a pressure sensor (which automatically locks and emits a laser when a contact pressure >0.5 N is detected).

[0068] The central control module includes an FPGA (Xilinx Zynq-7000) for real-time control; the human-machine interface module includes a 7-inch touchscreen for displaying real-time thermal maps and laser energy distribution curves, etc.

[0069] In the description of this specification, "multiple" means at least two, such as two, three or more, unless otherwise explicitly specified. Furthermore, the steps described above are for clarity only; in implementation, they can be combined into one step or some steps can be broken down into multiple steps, as long as they include the same logical relationships.

[0070] While this specification has shown and described numerous embodiments of the invention, it will be apparent to those skilled in the art that such embodiments are provided by way of example only. Many modifications, alterations, and alternatives will occur to those skilled in the art without departing from the spirit and essence of the invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in the practice of this invention.

Claims

1. A control method for a skin treatment and beauty device, characterized in that, include: The system acquires the user's skin data and the treatment mode selected by the user, including a spot removal mode, a skin rejuvenation mode, and a scar repair mode; the skin data includes the depth of pigmentation spots. Based on the treatment mode and the skin data, the user's treatment parameters are determined from the preset mapping relationship between the treatment mode, skin data and treatment parameters, wherein the treatment parameters include laser energy; The treatment parameters are output so that the skin treatment and beauty device outputs the corresponding laser.

2. The control method for the skin treatment and beauty device according to claim 1, characterized in that, The treatment parameters include a first treatment parameter and a second treatment parameter; the user's treatment parameters are determined from a preset treatment mode and the mapping relationship between skin data and treatment parameters, including: if the treatment mode is a freckle removal mode and the depth of the pigmented spot is less than a preset first depth threshold, then the first treatment parameter is matched; if the treatment mode is a freckle removal mode and the depth of the pigmented spot is greater than or equal to the preset first depth threshold, then the second treatment parameter is matched.

3. The control method for the skin treatment and beauty device according to claim 2, characterized in that, The process of removing freckles also includes: monitoring the temperature of the working area, and in response to the temperature reaching a preset temperature threshold, inserting a cooling interval and reducing the laser energy of the next pulse.

4. The control method for the skin treatment and beauty device according to claim 1, characterized in that, The treatment parameters include a third treatment parameter and a fourth treatment parameter, and the skin data includes the scar depression depth. The user's treatment parameters are determined from a preset treatment mode and the mapping relationship between skin data and treatment parameters, including: if the treatment mode is a scar repair mode and the scar depression depth is less than a preset second depth threshold, then the third treatment parameter is matched; if the treatment mode is a scar repair mode and the scar depression depth is greater than or equal to the preset second depth threshold, then the fourth treatment parameter is matched.

5. The control method for the skin treatment and beauty device according to claim 4, characterized in that, Also includes: In scar repair mode, scanning output is performed based on a spiral filling algorithm.

6. The control method for the skin treatment and beauty device according to claim 5, characterized in that, Scanning output based on the spiral fill algorithm includes: Obtain the initial and maximum spot spacing; Based on the initial spot spacing and the maximum spot spacing, a spiral point is generated that expands outward from the center; The temperature of the current spiral point is collected. If the temperature is greater than the first set value, the spot spacing corresponding to the current spiral point is increased and the laser energy is reduced. If the temperature is less than the second set value and the density of the lesion area where the current spiral point is located is greater than the third set value, the spot spacing corresponding to the current spiral point is reduced. The lesion area is obtained by segmenting the user's skin surface image.

7. The control method for the skin treatment and beauty device according to claim 1, characterized in that, The treatment parameters include a fifth treatment parameter; the user's treatment parameters are determined from the preset treatment mode, the mapping relationship between skin data and treatment parameters, including: if the treatment mode is a skin rejuvenation mode, then the fifth treatment parameter is matched.

8. The control method of the skin treatment and beauty device according to claim 7, characterized in that, The fifth treatment parameter also includes the power of the radiofrequency electromagnetic wave, and the skin data also includes skin impedance. In the skin rejuvenation mode, it also includes: When the skin impedance is within a first range, the power of the output radio frequency electromagnetic wave is positively correlated with the skin impedance and the first coefficient, respectively. When the skin impedance is in the second range, the power of the output radio frequency electromagnetic wave is positively correlated with the skin impedance; When the skin impedance is within the third range, the power of the output radio frequency electromagnetic wave is positively correlated with the skin impedance and the second coefficient, respectively. When the skin impedance is in the fourth or fifth range, the output of treatment parameters is stopped; wherein the second coefficient is less than the first coefficient and less than 1.

9. The control method for the skin treatment and beauty device according to claim 1, characterized in that, The user's skin surface image is acquired by a multispectral camera, and the skin surface image is identified to obtain the depth of the pigmentation patch.

10. A skin treatment and beauty device for performing the control method of the skin treatment and beauty device according to claim 1; characterized in that, include: The skin data acquisition module includes a multispectral camera, an infrared thermal imager, and skin impedance measurement electrodes; wherein, the multispectral camera is used to acquire images of the skin surface, the infrared thermal imager is used to acquire skin surface temperature, and the skin impedance measurement electrodes are used to acquire skin impedance. An erbium laser generating module, comprising a laser for outputting laser light corresponding to treatment parameters; An optical transmission and scanning module, connected to an erbium laser generating module, includes a galvanometer scanner, which is used to change the laser emission direction and scanning path so that the laser irradiates the target area; The treatment head execution module, connected to the optical transmission and scanning module, includes an ablative head and a non-ablative head; wherein the ablative head includes a focusing lens and the non-ablative head includes a diverging lens; The central control module is connected to the data acquisition module, the erbium laser generation module, the optical transmission and scanning module, and the treatment head execution module, respectively. It is used to output corresponding control commands to the erbium laser generation module, the optical transmission and scanning module, and the treatment head execution module based on the skin data acquired by the skin data acquisition module and the treatment mode selected by the user.

Images