Knee pain after running is mainly considered to be related to acute injury, chronic strain and other diseases, which can be recovered through general treatment and physical therapy. 1. Acute injury: For example, tendon and cartilage injuries caused by too strenuous exercise can trigger knee pain. For this kind of symptom, we should strengthen the rest, and timely to be ice packs to deal with the way. 2. Chronic strain injury: usually often carry out heavy physical labor or load, resulting in knee joint strain, after running will exacerbate the condition, the symptoms of pain. Patients should take more rest and adopt self-massage to promote blood circulation and improve the symptoms. 3. Other diseases: If the knee pain is caused by arthritis, patients should also take more rest, and take hot baths, massage and other ways to relieve themselves. It should be noted that the above self-treatment can only play a supplementary therapeutic role, and it is recommended that the patient should consult a doctor in time, and follow the doctor’s instructions to take other medical measures together for treatment.