The symptoms of tenosynovitis include pain, restricted movement, local swelling, and functional impairment. Treatment is mainly aimed at relieving pain and restoring function, including general treatment, medication and surgery. Symptoms: 1. Pain: Painful, burning sensation will occur at the affected area, and there will be local hard nodes, especially when performing straightening and bending movements. In most cases, patients are unable to identify the specific site of pain, but feel an indescribable discomfort in the diseased joint, and feel soreness and weakness in the joint when moving the joint; 2. “Morning stiffness” may occur in severe cases. In the case of tenosynovitis of the thumb, there may be a joint popping phenomenon, which is characterized by a “cackling” sound in the joint when moving. 3. local swelling: due to the inflammatory reaction, the local tissue fluid will leak out, causing swelling of the affected area, and the tendon will have a striated bulge. 4. dysfunction: occurring in the wrist and finger areas Tendonitis can lead to reduced flexibility of joint movement at the lesion site. The treatment: 1, general treatment: pay attention to rest, reduce the affected part of the activity, can be appropriate massage to relax the affected area to reduce the pain. If the symptoms are severe, the affected area can be splinted or fixed in a cast to limit the activity, and the tendinitis of the upper limb can be protected by suspension with a triangular scarf; 2. Some of the acute plasma tendonitis or infectious tendonitis, need to perform incision and drainage, the pus drainage out, reduce local swelling, to achieve the purpose of treatment.