Knee running injury may be subchondral bone contusion, meniscus injury and patellofemoral joint injury, etc. Cold and hot compresses, minimally invasive surgical treatment, wearing knee pads, etc. can be given according to the part of the injury. 1. Subchondral bone contusion: due to long-term lack of exercise after suddenly running long distances caused by subchondral bone contusion, at this time the need for cold compresses and then hot compresses, to reduce the local exudate, promote the absorption of exudate, and appropriate rest. 2. Meniscus injury: If the meniscus is injured by running, patients need to be examined. If the meniscus is obviously torn, minimally invasive surgery can be chosen for treatment, such as arthroscopic surgery. 3. Patellofemoral joint injury: if the patient has patellofemoral joint injury, at this time need to go to the hospital for patellofemoral joint examination, according to the patient’s specific situation, choose to wear a knee brace to reduce the patellar stress, or the use of surgery for repair, such as patellar part of the resection, patellar resection and so on. Knee running injuries, it is recommended to go to a regular hospital, consult a professional doctor, cooperate with the doctor to complete the relevant examination, to clarify the cause, to avoid blind treatment.