Wrist cramp-like pain may be caused by overwork, or may be caused by tenosynovitis, synovitis and other factors. 1. Overwork: If you overwork your wrist and cause localized fatigue, it will lead to more localized lactic acid buildup, which will cause wrist cramp-like pain. Generally no treatment is needed, and the symptoms can be gradually relieved after proper rest. 2. Tendovaginitis: tendovaginitis of the hand is mostly stimulated by prolonged strain, cold or overwork, causing aseptic inflammation of tendons and tendon sheaths, leading to swelling and inflammation of tendons and tendon sheaths, resulting in the symptoms of wrist cramps and pain. 3. Synovitis: excessive use of the wrist joint and cold and other factors, causing localized inflammation of the synovial membrane of the joints of the hand, the wrist will have pain, swelling. If the situation of wrist cramps and pain occurs for a long time continuously, you should go to the hospital in time, and standardize the treatment under the guidance of the doctor.