Patients with running knee injury should be treated according to the degree of injury, and should be treated through rest and braking, physical therapy, medication and surgery. 1. Rest and braking: patients with knee injuries during running should rest and brake immediately, avoiding knee activities to minimize weight bearing and wear and tear of the knee joint, which may cause re-injury. If the injury is serious, the patient should go to the hospital in time for treatment, and if necessary, the joint should be immobilized by plaster or brace. 2. Physiotherapy: ice packs should be given within 72 hours after the injury to reduce capillary hemorrhage, so as to reduce joint swelling and pain, and local hot packs can be applied after 72 hours to promote blood circulation and inflammation absorption. You can also choose infrared ray, ultra-short wave and other physical therapy to improve local blood circulation. 3. Medication: Non-steroidal anti-inflammatory drugs such as ibuprofen and aspirin can be taken as prescribed by the doctor to relieve the pain, and topical medication such as diclofenac diethylamide emulsion can be applied locally or flurbiprofen barb cream can be applied. 4. Surgical treatment: If the knee injury appears obvious pain, swelling and activity limitation and other symptoms, should consider whether there is ligament damage, meniscus injury, patella fracture and other conditions, should be timely hospital examination, the serious need for surgical treatment. Running knee injury, it is recommended that patients seek medical examination in a timely manner, to clarify the cause of the disease for targeted treatment. Daily running should be done in advance to warm up, avoid excessive exercise or long time running, if necessary, the use of knee pads fixed to protect the knee joint.