The treatment of thumb tenosynovitis is divided into initial treatment, surgical treatment and postoperative treatment. During the treatment, attention should be paid to hand hygiene and protection to prevent bacterial invasion and secondary infection. Thumb tenosynovitis is mainly caused by excessive activity of the thumb, resulting in overstretching of the muscles, soft tissue congestion, edema, hyperplasia, adhesion, resulting in aseptic inflammation, causing pain and other symptoms. 1. Conservative treatment can be chosen for mild cases: rest, hot compresses, supplemented by anti-inflammatory and analgesic drugs, blood circulation drugs (such as ibuprofen, Daxuoluo Pills, etc.), and most of them can be fully recovered. 2. If the treatment is not timely, the local thickening of tendon sheaths has formed a pressure, then the thickened and narrowed tendon sheaths need to be surgically loosened. It is recommended to consult the hospital in time, and carry out regular treatment under the guidance of the doctor.