Tendonitis is an aseptic inflammation, so the anti-inflammatory drugs taken by patients with tendonitis are mainly non-steroidal anti-inflammatory drugs. Because non-steroidal anti-inflammatory drugs, one, has the effect of fighting sterile inflammation; two, can relieve pain, for patients with tendonitis, has a very good therapeutic effect. Tendonitis is mainly caused by strain and cold, which leads to repeated friction on the tendon sheath, causing edema of the tendon sheath, resulting in edema and limited movement of the tendon, and the formation of obvious nodules and pressure points in the local area. Therefore, patients with tendonitis must pay more attention to warmth and avoid getting cold, and perform more hot compresses or scalding treatments on the tendonitis area to reduce the edema of the tendon sheath and tendon, along with non-steroidal anti-inflammatory drug treatment.