The invention provides a sports testing method, a sports testing device and a sports testing system. The invention belongs to the field of physical education, training, testing and competition, and particularly relates to a method, a device and a system for realizing intelligent physical education, training, testing and competition by using an image analysis technology. The sports testing method comprises the following steps: installing video acquisition equipment, setting a project test area, registering a user, acquiring user identity characteristic information, identifying the user, prompting the user to test, acquiring a test video, calculating test scores and process data, analyzing capability data and an exercise prescription, and informing the user of test data. According to the method, automatic, standardized and intelligent sports test can be realized, the test scores are automatically and correctly calculated, the test process data is quantitatively calculated, normative actions and non-normative actions are correctly judged, the data, such as technical, physical and physiological function data, of the user is analyzed, and the targeted exercise prescription is given.