The treatments for tenosynovitis of the middle finger are medication, physical therapy or surgery. 1. Medication: If the pain is only localized, medication can be taken, such as local use of diclofenac cream, if the pain is obvious, non-steroidal painkillers can be taken orally, such as ibuprofen, diclofenac sodium enteric-coated tablets and so on. 2. Physiotherapy: infrared physiotherapy or ultra-short wave physiotherapy can eliminate local inflammation and improve local blood circulation. 3. Surgery: If the conservative treatment is ineffective and there is popping sound in the joint movement, surgery can be taken to loosen the tendon sheath. Middle finger tenosynovitis should be treated according to the degree of lesion under the guidance of the doctor. The above drugs should be used under the guidance of a doctor, avoid self-medication.