Human posture recognition refers to the automatic detection and analysis of human posture through computer vision and machine learning technology. Interesting advanced AI - human posture recognition uses lines to describe the human posture recognized by the camera. This technology can be applied to dancing posture tracking and recognition, security inspection and other occasions. By recognizing and understanding human posture, more natural human-computer interaction can be achieved, provide personalized user experience, or be used for health monitoring and behavioral analysis.