Middle finger tenosynovitis is an inflammatory reaction of tendon and tendon sheath, if the symptoms are mild, it can be cured by itself, but if the symptoms are serious, it cannot be cured by itself, and it needs to seek medical treatment in time. 1. Self-healing: Mild tendovaginitis of the middle finger can be self-healed after active rest, letting the hands in a state of relaxation and avoiding overwork. 2. Medical treatment: If the symptoms are serious and cannot be relieved by oneself, under the guidance of the doctor, ibuprofen extended-release capsules, diclofenac sodium extended-release tablets and other drugs should be applied to relieve the pain, and if the effect of drug treatment is not good and affects the normal activities of the fingers, it can be treated through surgery. Tendinitis in the middle finger, need to do a good job to keep warm, avoid frequent finger activities, pay attention to light diet, avoid spicy and stimulating food, eat more fruits and vegetables, redness, swelling, pain and other symptoms, need to consult a doctor in a timely manner. The use of drugs need to follow the doctor’s instructions.