Tibial tuberosity osteochondritis in adolescents should be rested and training is not recommended. Tibial tuberosity osteochondritis is an inflammation of the epiphysis caused by prolonged stretching of the patellar ligament stop. The quadriceps muscle is the most powerful group of muscles in the whole body, and its force will be transmitted to the tibial tuberosity patellar ligament stop point. Teenagers are often prone to tibial tuberosity osteochondritis after sustained large amount of exercise, which will cause pain and swelling, etc. It is recommended to reduce the exercise, and to carry out physical therapy and medication to alleviate the symptoms. At the same time, it is recommended that during the recovery period, appropriate knee flexion and extension training to maintain normal joint function, this training is not mandatory, and does not need to be carried out every day, to carry out a normal life can keep the knee function does not deteriorate.