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The invention discloses an inhalation administration device, and relates to the technical field of medical auxiliary instruments. In order to solve the problems that an existing inhalation drug delivery device cannot monitor the real-time breathing state of a patient, drug waste is easily caused, and necessary safety is lacked, the inhalation drug delivery device comprises a mask, an atomizer and a breathing monitoring assembly, the atomizer is connected with the mask through a drug delivery pipeline, and the atomizer is connected with the mask through a drug delivery pipeline. The breathing monitoring assembly is connected with the mask through a breathing pipeline, and a control valve assembly is further arranged between the breathing monitoring assembly and the atomizer and used for blocking connection between the atomizer and the mask when a patient exhales; the respiration monitoring assembly can be adjusted in a self-adaptive mode according to the expiration intensity of the patient, and the expired gas is exhausted at different speeds. The breathing of a patient can be dynamically monitored, medicine waste can be avoided, and the use safety of the device is improved through the arrangement of self-use exhaust.