Depending on the condition, tendon sheath effusion can be treated with both conservative and surgical treatments. Tendon sheath effusion is mainly caused by tendon sheath inflammation due to tendon strain or strain injury, which results in the formation of effusion. 1. Conservative treatment (1) General treatment: avoid excessive joint activities, often play games should reduce the game time, avoid prolonged exercise, etc., active rest, reduce symptoms; use hot water bags, salt bags on the local hot compress treatment, promote its absorption. (2) Pharmacological treatment: if accompanied by pain symptoms, ibuprofen should be used to relieve pain and reduce inflammation and edema; the use of ethylprednisolone hydrochloride should be used to relax the muscles, reduce edema and promote the absorption of fluid. 2. Surgery: If conservative treatment is ineffective, surgery can be performed to extract the tendon sheath effusion, and if repeated episodes occur, tenosynovectomy will be performed, and active anti-infection treatment will be performed after surgery. When the examination found that the tendon sheath effusion or discomfort symptoms, please timely treatment, so as to avoid delaying the condition. The use of medication should follow the doctor’s instructions.