It is possible to treat tenosynovitis with a small needle knife procedure. The needle knife is highly selective and minimally invasive, and is beneficial in releasing tendon adhesions in hyperplastic and hypertrophic tissues. Therefore, clinical knife surgery can be used to treat tenosynovitis. However, for different types and locations of tenosynovitis, the treatment method varies, and the choice of specific treatment program should be based on the patient’s specific condition. Tenosynovitis is a common tendon sheath disease, which can be caused by trauma, strain and other factors. The main symptoms can be seen in the affected area pain, weakness, may be accompanied by activity restrictions. Surgery is the main clinical treatment. If you need small needle surgery to treat tendovaginitis, you should go to the hospital immediately and actively cooperate with the doctor’s treatment plan, do not do it on your own.