The invention relates to a display device and method capable of achieving Internet of Things connection and wireless receiving. The display device comprises a core CPU, an LCD driver, a logic operation processing unit, a communication bridge module, a 433 wireless module, a WIFI module and a power management module. The power management module comprises a DC-DC module and an LDO module; The core CPU performs data flow interaction with the 433 wireless module and the WIFI module through the communication bridging module; The power management module is responsible for supplying power to the whole system; The method comprises the following steps: firstly, initializing a power management module, managing input and output current of the device, secondly, initializing a 433 wireless module and aWIFI module, carrying out network detection and inspection, and then, carrying out LCD driving, man-machine operation display and logic operation processing loading processing; And finally, transmitting the data through the wireless module.