Wushu Sanda is a practical fighting skill and a new modern competitive event. Under certain conditions, they use kicking, hitting and wrestling as the main means according to certain rules. A good Sanda athlete should have good physical quality and special skills. Given the continuous change and revision of Sanda rules, the means to reduce the number of injuries sustained by athletes, tap their potential and prolong their sports life has become an urgent priority. During the training process, the coaches should use a guided and inspiring educational model to enable athletes to think positively and rationally. It is necessary to clearly understand the physical conditions of the body, combine the special characteristics of the Sanda movement and adopt effective prevention and recovery methods. This paper takes the sports fatigue of Sanda athletes as the research goal. To this end, we use physical, biochemical and psychological indicators and means to comprehensively monitor athletes’ sports fatigue. In order to improve martial arts training, improve the physical health of martial arts athletes and improve the athletes’ competitive level.