When a patient has sudden cramps in the fingers and cannot move, most of them are caused by stenosing tenosynovitis in the fingers, which results in narrowing of the tendon sheath and thickening of the tendon sheath. In the treatment, first of all, the patient should be instructed to pay attention to the warmth of the finger area, not too much weight-bearing activities, you can timely use warm water to soak the hands, or put in the water, such as Panax ginseng, safflower, astragalus and other drugs, can play a role in blood circulation, blood circulation, etc. Secondly, small needles can also be used to pry and release the tendon sheath stenosis, and at the same time, physiotherapy and baking electricity can be used to unblock the meridians, so that the narrow tendon sheath can be relieved and the patient’s clinical manifestations can be gradually relieved.