Knee pain may be knee arthritis, synovitis, chondromalacia patella, etc., which can be treated with medication and surgery. 1. Arthritis: prolonged overloading of the knee joint or chronic injury, this condition will develop after exertion, cold and cause knee pain. Weight control, rest, moderate activity, local indomethacin cream, flurbiprofen cream and other creams can be applied to relieve the pain, and in serious cases, intra-articular injection of drugs, such as sodium vitrate, prednisolone and so on, is needed. 2. Synovitis: synovium can secrete joint lubricating fluid, when the synovium is damaged, the lubricating fluid can not be secreted normally, such as joint cavity effusion, knee pain will occur. Strict bed rest, elevate the affected limbs, and if the condition is serious, you can take oral celecoxib, etoricoxib and other drugs to relieve pain. During the recovery period, you can use crutches to move around when you get out of bed. 3. Chondromalacia patella: the femur inside the ankle outside the ankle with each other to form the patellofemoral joint, the patella and the femur between the cartilage, can play a cushioning role, if the symptoms are mild, usually in the activities of the symptoms after the disappearance of the symptoms, if the pain is not particularly pronounced can be treated with medication, mainly ibuprofen, etoricoxib, the symptoms of the need for arthroscopic surgical treatment of the more serious. Walking more knee pain should be timely to the hospital, according to the results of the examination and clinical symptoms of a comprehensive diagnosis, can not be treated casually, if you need to use drugs should be strictly comply with the doctor’s instructions.