Yunnan Baiyao can relieve the painful symptoms of tenosynovitis, but cannot cure tenosynovitis. There are many types of tenosynovitis, with stenosing tenosynovitis being the main clinical cause. Yunnan Baiyao can promote local blood circulation and has the effect of pain relief, so it can relieve the pain symptoms in stenosing tenosynovitis. In case of stenosing tenosynovitis, the following treatments should be chosen according to the degree of the disease: 1. If the pain is severe in the acute stage, it can be fixed first to brake, keep resting and reduce the frequent activities of the diseased part. 2. When the condition is relieved, closed treatment, needle knife therapy, drug therapy, physical therapy and other methods should be used. (1) Closure therapy: If the local pain is obvious, intrathecal injection of lidocaine and prednisone can be used for closure therapy. (2) Acupuncture and knife therapy: it can loosen the related tissues and reduce the pressure of tendon sheath. (3) Drug therapy: non-steroidal anti-inflammatory drugs such as Celecoxib or Yunnan Baiyao can be used orally or topically for analgesia. (4) Physical therapy: magnetic therapy, ultrasound therapy can improve blood circulation, reduce local inflammatory edema and tissue hypoxia, relieve pain. (3) Surgery can be considered for those who have a long course of the disease, which affects their work and life, and the effect of non-surgical treatment is unsatisfactory. When suffering from tenosynovitis, it is recommended to consult a doctor in time, under the guidance of specialists for standardized treatment, the above drugs need to be used under the guidance of a doctor.