The core function is to use the bone node recognition technology. The recognition technology has been accurately verified in various scenarios, such as standing, lying, slow, different clothing, and lighting environments, to track and analyze multiple people. Family members can join or exit the fat-burning training and dancing at any time, and the interface will show whether the father or daughter is in the lead in real time, adding to the fun. In the somatosensory zone, the user avatars into a virtual character. The camera identifies the basic actions of the user, determines the basic actions of the user, and controls the virtual character to perform corresponding actions. In the training game, simple and flat controls are used to display the ranking and position information of users in the virtual scene at the top. As a common top-level control capability, the control capability is superimposed in various complex scenarios. Finally, AI Fitness is a large-screen app that integrates fitness and entertainment. Users can get professional action guidance and scoring anytime and anywhere without leaving the house. Join your family to enjoy the exercise and stay fit at all times.