Hand thumb tenosynovitis can not bend to rest more, give physical therapy, drug therapy and so on. 1. Rest: if you can’t bend your thumb with tenosynovitis, avoid bending it as much as possible, rest your thumb and avoid too much activity to make it recover faster. 2. Physical therapy: you can apply hot compresses to the area of tenosynovitis, using hot towels or hot water bags, etc., to promote local blood circulation, which is conducive to reducing the swelling and other symptoms of tenosynovitis. 3. Drug therapy: If the pain symptoms are serious, you can use some drugs for treatment, you can apply local topical antipyretic and anti-inflammatory drugs such as diclofenac diethylcarbinol, but also oral non-steroidal anti-inflammatory drugs such as nimesulide, ibuprofen and so on. If the hand thumb tenosynovitis can not bend the symptoms persist or do not see relief, it is recommended to go to the hospital in time, under the guidance of the doctor for standardized treatment.