Playing cell phone wrist pain consider overwork, tenosynovitis, poor blood circulation and other factors. Playing cell phone fingers and wrist muscles and tendons will be in a state of tension for a long time, in the process of playing cell phone fingers have been active, pulling the tendon frequent flexion and extension, part of the muscle is in a state of tension to maintain the posture, resulting in wrist fatigue, metabolite generation, local soreness. Wrist long time repeated flexion and extension activities, resulting in wrist flexor tendon groups, extensor tendon groups and the surrounding tendon sheaths, supportive bands to produce friction, and even local adhesions, causing local congestion, edema, inflammatory reaction, pain during activities. Continuous wrist flexion and extension activities, the contents of the median nerve and finger flexor tendons in the carpal tunnel on the palm side can compress the local blood vessels, causing poor blood circulation, resulting in wrist pain. Playing with the phone wrist pain may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, follow the doctor’s instructions for treatment.