There is no fastest native way to treat tendon sheath effusion. Finger overwork, cold, trauma and other causes of tendon sheath internal inflammatory fluid accumulation caused by inflammatory reaction, you can first rest, local hot compresses, serious cases can use drugs. 1. Rest: tendon sheath effusion caused by overworked fingers, need to reduce hand activities, try not to let the hand bearing weight, let the hand natural, relaxed rest. 2. Localized hot compresses: Excessive exposure to cold may also lead to tendon sheath effusion, at this time, you should avoid further exposure to cold in the fingers, otherwise it will aggravate the symptoms of tendon sheath effusion. You can use a hot towel to apply hot compresses to your hands several times a day to increase blood circulation and promote the absorption of tendon sheath effusion. 3. Medication: When the inflammation of tendon sheath effusion is more serious and the pain in the hand is severe, you can take non-steroidal anti-inflammatory painkillers such as diclofenac sodium and loxoprofen sodium orally to reduce the inflammation and relieve the pain. The use of medication needs to be directed by a doctor. When you find symptoms of tendon sheath effusion, it is recommended that you go to a regular hospital in time and do not rely on any local methods.