Running knee pain on the inside of the knee can be caused by aseptic inflammation of the soft tissues around the knee, or it can be due to a meniscus injury. Quick recovery methods include physical therapy, medication and surgery. 1. Aseptic inflammation: Long-term running may lead to aseptic inflammation of the medial femoral muscle tendon causing pain on the inside of the knee. Patients need to reduce the amount of exercise, and at the same time can be the medial femoral muscle for reverse stretching; you can also towel hot compresses on the knee, local gentle massage, etc., to increase local blood circulation; patients with significant pain can take oral ibuprofen meloxicam and other drugs to relieve the symptoms. 2. Meniscus injury: Running in the wrong posture may cause meniscus injury or tear causing pain on the inner side of the knee. It is necessary to further examine the knee MRI to clarify the damage. If the meniscus injury is relatively mild, for the first or second degree of injury, you can choose the conservative treatment of plaster or support fixation; if there is a meniscus tear, arthroscopic meniscus repair or reconstruction surgery is feasible. Running knee pain on the inside may also have other reasons, even if it is the same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different, should be standardized under the guidance of the doctor treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.