Chinese medicine poultices have better efficacy in treating knee pain, but attention should be paid to choosing different acupoints for application according to different diseases. If patients with knee eye pain is more common, the ointment can be applied to the inner and outer knee eye. Some old people are prone to osteoarthritis of the knee joint, and the pain is often on the inner side of the knee joint, so the plaster should be put on the inner side of the knee joint vertically. Young people more often occur lateral collateral ligament injury, mostly caused by strenuous exercise, common pain site is the lower part of the lateral knee joint, which is the pivot point of the lateral collateral ligament, the ointment can be applied to the place. In addition, if the knee synovitis patients, the cream will be applied above the knee can be.