An atomized drug delivery system, comprising: a face mask, wherein the face mask is connected with a first ventilation pipeline and a second ventilation pipeline respectively, the first ventilation pipeline is connected with a ventilator, a respiratory sensor is arranged in the first ventilation pipeline, and the respiratory sensor is configured for detecting a respiratory signal; an atomizer, wherein the atomizer is provided with a host machine and an atomizing apparatus, the host machine is connected with the atomizing apparatus and the respiratory sensor, the host machine is configured for receiving the respiratory signal detected by the respiratory sensor, and the atomizing apparatus is further connected with the first ventilation pipeline; wherein, the host machine is configured for determining a respiratory state through the respiratory signal, when the respiratory state is an inspiratory state, the host machine is configured for adjusting a frequency of the atomizing apparatus, to control the atomizing apparatus to atomize a stored drug and deliver the atomized drug to the first ventilation pipeline, and when the respiratory state is an expiratory state, the host machine is configured for adjusting the frequency of the atomizing apparatus, to control the atomizing apparatus to stop atomizing the drug; characterized in that, the atomized drug delivery system comprises a spirometer that is connected with the second ventilation pipeline, wherein the spirometer is configured for acquiring exhaled gas through the second ventilation pipeline and calculating a vital capacity parameter according to the gas, to feed back an atomized drug delivery effect; wherein the host machine is configured to adjust the frequency of the atomizing apparatus to control the atomizing apparatus to reduce a drug atomization amount when a signal magnitude of the respiratory signal is greater than a set respiratory threshold for the system; and wherein the host machine is configured to adjust the frequency of the atomizing apparatus to control the atomizing apparatus to increase a drug atomization amount when a signal magnitude of the respiratory signal is smaller than the set respiratory threshold for the system. a face mask, wherein the face mask is connected with a first ventilation pipeline and a second ventilation pipeline respectively, the first ventilation pipeline is connected with a ventilator, a respiratory sensor is arranged in the first ventilation pipeline, and the respiratory sensor is configured for detecting a respiratory signal; an atomizer, wherein the atomizer is provided with a host machine and an atomizing apparatus, the host machine is connected with the atomizing apparatus and the respiratory sensor, the host machine is configured for receiving the respiratory signal detected by the respiratory sensor, and the atomizing apparatus is further connected with the first ventilation pipeline; wherein, the host machine is configured for determining a respiratory state through the respiratory signal, when the respiratory state is an inspiratory state, the host machine is configured for adjusting a frequency of the atomizing apparatus, to control the atomizing apparatus to atomize a stored drug and deliver the atomized drug to the first ventilation pipeline, and when the respiratory state is an expiratory state, the host machine is configured for adjusting the frequency of the atomizing apparatus, to control the atomizing apparatus to stop atomizing the drug; characterized in that, the atomized drug delivery system comprises a spirometer that is connected with the second ventilation pipeline, wherein the spirometer is configured for acquiring exhaled gas through the second ventilation pipeline and calculating a vital capacity parameter according to the gas, to feed back an atomized drug delivery effect; wherein the host machine is configured to adjust the frequency of the atomizing apparatus to control the atomizing apparatus to reduce a drug atomization amount when a signal magnitude of the respiratory signal is greater than a set respiratory threshold for the system; and wherein the host machine is configured to adjust the frequency of the atomizing apparatus to control the atomizing apparatus to increase a drug atomization amount when a signal magnitude of the respiratory signal is smaller than the set respiratory threshold for the system.