The best treatment for tendonitis of the thumb is comprehensive treatment, as follows: 1, braking, avoid excessive activity, the use of tendonitis brace for thumb and wrist immobilization, reduce the activity of the tendon, and promote inflammation. 2, hot compresses, each time with a hot water bag or hot towel for the thumb area, 15 minutes each time, 3-4 times a day. 3, appropriate oral anti-inflammatory and analgesic drugs as well as anti-swelling The common ones are non-steroidal anti-inflammatory drugs. If the above comprehensive treatment for about 3 months still does not improve, you can carry out local closure treatment as appropriate, after conservative treatment and closure treatment, the patient’s symptoms can generally be relieved, the function can basically be restored. If there is still recurrence and no improvement, tendon sheath dissection or needle knife release can be tried under local anesthesia.