Humidity-method airway reactivity tester

The utility model discloses a humidity-method airway reactivity tester which comprises an atomizer, an air compressor pump used as a power source of the atomizer, and an automatic control unit used for controlling the running state of the air compressor pump and the atomizer. The humidity-method airway reactivity tester has simple structure and convenient operation, realizes automatic control, and can ensure the accuracy of test results and stop a test at any time during testing, thus ensuring the safety of the test and reducing the harm of the test to a patient and the adverse reaction of the test to a maximum extent. In the humidity-method airway reactivity tester, the test results can not be influenced when a testee coughs, spits or talks in the testing process, the whole testing process is ensured to be continuous and the test can be finished by anyone.