Treatment of sport injury for taekwondo athlete is important for recovering the function of all injured joints, and the pharmaceutical oblique insertion is an effective method for treating it. Firstly, the main reasons of sports injure of taekwondo athlete are analyzed; Secondly, the clinical materials concluding analyzing objects and methods, mathematical statistics method and Treat effect judgment are chosen. Finally, the comparing tests are carried out, results show that the pharmaceutical oblique insertion is an effective method for treating the sports injure of taekwondo athletes, which can be popularized in further.