Stenosing tenosynovitis of the radial tuberosity is caused by repeated stretching and friction of the short extensor tendon and the long extensor tendon of the radial tuberosity, and the common treatment methods include medication, physical therapy, and surgical treatment. 1. Drug therapy: patients can take non-steroidal anti-inflammatory drugs under the guidance of the doctor, such as ibuprofen, celecoxib, etc., to play an anti-inflammatory role in relieving pain, but also can choose to local injection of lidocaine for closure therapy, which can effectively alleviate local pain. 2. Physiotherapy: patients in the acute stage should rest and brake, chronic inflammation can choose hot compresses, microwave, magnetic therapy and other physical therapy methods to promote local blood circulation, accelerate the absorption of inflammation. 3. Surgical treatment: If conservative treatment is ineffective, you can choose surgical treatment such as tenosynovectomy to release the tendon extrusion and relieve clinical symptoms, or you can also consider using percutaneous needle release surgery, which is less invasive, but may damage the surrounding soft tissues. Patients with stenosing tenosynovitis of the radial tuberosity should reduce localized activities and stimulation, rest more, and avoid being cold. If symptoms worsen, they should go to the hospital in time to be evaluated by the doctor, and choose the appropriate treatment plan to relieve clinical symptoms.