Air conditioner demisting and defrosting performance test method and system

The present invention provides an air conditioner demisting and defrosting performance test method and system. The method comprises the steps of: performing preprocessing of a vehicle to be tested, and forming uniform frost layers and mist layers on a front windshield, left-side window glass and right-side window glass of the vehicle to be tested; regulating the vehicle to be tested to a test condition; collecting vehicle state information, images of the left-side window glass, images of the front windshield and images of the right-side window glass, and performing storage of the vehicle stateinformation, the images of the left-side window glass, the images of the front windshield and the images of the right-side window glass according to a time sequence; obtaining a defrosting percentageor a demisting percentage in each duration according to the images of the left-side window glass, the images of the front windshield and the images of the right-side window glass; and obtaining air conditioner demisting and d