Objective: This study aimed to analyze the effects of resuming training using yoga on the physical functions and fitness of Taekwondo athletes after high-intensity training.Method: A total of 50 Taekwondo athletes from this college were randomly divided into 2 groups. 25 athletes are in the control group, and they massage their muscles after high-intensity training to help recovery. Meanwhile, 25 athletes are in observation groups, and they practice yoga after high-intensity training for resuming training. After 8 weeks, the physical functions and fitness of the two groups of athletes were compared.Result: There was no statistically significant difference between the observation group and the control group before starting high-intensity training from 1st week to 8th week (P<0.05). From the 4th week to the 8th week after high-intensity training, the observation group's heart rate, heart rate after resuming training and subjective physical sensation degree scores were lower than the control group (P<0.05). After 8 weeks of resuming training in the observation group, hemoglobin was higher than the control group, blood urea nitrogen and creatine kinase was lower than the control group (P<0.05). The observation group's flexion test results of the sitting position after 4th week and 8th week of resuming training were higher than those of the control group (P<0.05).Conclusion: The use of yoga for resuming training after high-intensity training can improve the physical function and fitness of Taekwondo athletes, improve the flexibility of athletes and promote their professional skills.