With the popularity of computers, the development of the network, the emergence of a new disease is the “mouse hand”, “mouse hand” the main performance of the hand numbness, burning pain, wrist joint swelling, hand movements inflexible or even weak. The “mouse hand” is easy to happen in the long-term use of computer people, Internet users repeatedly typing on the keyboard and move the mouse every day, the wrist joints repeatedly, excessive activity, resulting in peripheral nerve damage or compression, so that nerve conduction is blocked, thus causing the palm of the hand sensory and movement disorders. The appearance of “mouse hand” is a serious impact on normal life and work, so the prevention of “mouse hand” work is needed to do a good job. To avoid the “mouse hand”, you need to do the following work: First, adjust the distance, when using the computer, the computer desk keyboard and mouse height, preferably lower than the sitting elbow height, so as to reduce the operation of the computer on the wrist tendon sheath and other parts of the injury. Second, the mouse is best placed next to the keyboard, so that it is the most comfortable position to use. Avoid exaggerated shoulder and wrist distortion, so the mouse should be placed next to the keyboard, preferably on the same plane. Third, use the mouse wrist pad: move the mouse when the pad pad in the wrist, reduce the wrist force to protect the wrist. Fourth, try to avoid using the scroll wheel. Do not overuse the scroll wheel, excessive use of the thumb can lead to DeQuervain’s disease. Fifth, adjust the height of the chair, so that the mouse and keyboard to use more convenient and comfortable. Can not be placed at this height to adjust your feet, while resting with the latter foot. Six, choose the right mouse, the mouse is best to use the curvature, wide contact surface, with the help of dispersion. Seven, reduce the wrist force, use the mouse, the arms do not hover to reduce the pressure on the wrist, move the mouse do not use wrist force and try to rely on arm force to do, reduce the wrist force. Eight, often active limbs, try to avoid the upper limbs for a long time in a fixed, mechanical and frequent activities of the work state, use the mouse or typing, every hour of work to get up and move the limbs, do some fist, pinch fingers and other relax finger movements. If you can usually do the above, then it is possible to greatly reduce the “mouse hand” chances of appearing.