With the development of modern technology, computers have become an integral part of people’s work, life, and most people do not know that we “rely on life” of the computer is slowly eating your hands. A full day of intense work at the end, you stretch your arms, move your fingers, is not also found in the fingers and wrists of the joints vaguely painful, do not think that this is only due to overworked fingers, you may also be suffering from “tenosynovitis”. Long-term use of the keyboard, the mouse caused by part of the finger joints of the strain and inflammation, commonly known as “keyboard hand”. Part of this is due to tenosynovitis. Whenever you do the same movement for a long period of time, quickly and forcefully, tendinitis may occur in the joints, resulting in pain and impaired movement. Daily use of the computer keyboard, mouse, MP3, and even texting on the cell phone, will make a few fingers long, repetitive, forceful flexion and extension, which will make the tendons of the hand excessive friction, which is also the formation of tenosynovitis “prerequisites”. Etiological mechanisms Injury, overstrain (especially in the thumb, hand, elbow and fingers), osteoarthritis, some immune disorders, and even infections can also cause the condition. Occupations that require long-term repetitive strain on joints (e.g., instrumentalists, cargo handlers, or industries that require long hours of computer operation) can cause or aggravate the disease. Commonly affected areas are wrists, fingers, etc. For us, no matter living, studying or working, the most commonly used for labor is the hand, so finger lesions are more common. Usually patients will feel joint pain and morning stiffness, usually the feeling of morning stiffness of the joints is most obvious after waking up, and the symptoms will not be significantly relieved with frequent activities. Affected joints may be swollen, or even popping, and the joints may suffer from impaired mobility. Rehabilitation therapy 1, ultrasonic therapy 2, ultrasound therapy 3, manipulation therapy In the period of tendinitis inflammation can be iced to reduce swelling; with chronic tenosynovitis, avoid icing, icing will aggravate the tension between the tendon sheath and the tendon, and the patient will feel the aggravation of local symptoms. Disease prevention 1, pay attention to work to maintain the correct posture, to avoid excessive strain on the joints, regular rest. 2.More use of the palm of the hand to support the object and avoid using the thumb and fingers to pinch, lift, push, rub the action. 3, the need to use a lot of force in order to pinch the device for a larger handle of the device. Avoid grasping heavy objects with your thumbs and fingers. 5.When washing clothes in winter, it is best to use warm water, and wear cotton gloves when sweeping snow after snowfall to prevent your hands from getting cold. 6.If the discomfort worsens or the pain intensifies, go to the hospital in time to find a specialist for treatment.