The invention relates to a portable quantitative-release atomization therapeutic apparatus. The atomization therapeutic apparatus includes a housing, an atomization device, a drug delivery device, a gas supply device, a control processor and a touch display screen; the drug delivery device includes a drug storage part, the housing includes a breathing mask, the drug delivery device and the atomization device are arranged in the housing, the drug delivery device is arranged in the atomization device, the atomization device atomizes drug liquid discharged from the drug delivery device, the gas supply device is connected with the atomization device, and the gas supply device includes an air inlet pipe, an air outlet pipe and an air pump; one end of the air inlet pipe is communicated with the outer side of the housing, and the other end of the air inlet pipe is connected with the air pump; one end of the air outlet pipe is connected with the air pump, the other end of the air outlet pipe is connected with the atomization device, the drug storage part includes a storage bottle, a drug delivery valve and a drug outlet pipe, the storage bottle is used for storing the drug liquid, the drug delivery valve is arranged at the lower end of the storage bottle, and the drug delivery valve is connected with the control processor and includes a metering device.