Weakness in hand grip is mainly manifested by the lack of strength when holding objects in the hand. Nerve entrapment syndrome of the hand, anterior spinal cord syndrome, cervical spondylosis, tennis elbow and other diseases can cause weakness in hand grip. Nerve entrapment syndrome is one of the bone-fiber canal and ventricular compression syndromes. It is an inflammatory response to the compression and chronic injury of the peripheral nerve pathway in a part of the bony fiber canal and, in a few cases, the fiber edge, which produces abnormal nerve function. The causes of hand grip weakness: 1, impotence evidence Impotence evidence is to limb weakness, or even can not move at will, and over time, muscle atrophy of a disease. Clinical to the lower extremities are common, so also known as ldquo;impotence rdquo;. Impotence is the impotence of the limbs, ldquo; knit rdquo; refers to the weakness of the lower limbs, can not walk the meaning. Impotence can also be manifested as drooping eyelids, chewing weakness, swallowing difficulties, hand grip weakness, even breathing difficulties, and weakness around the body. In Western medicine, polyneuritis, acute myelitis, progressive muscular atrophy, myasthenia gravis, periodic paralysis, myotonic dystrophy, etc. can be treated with reference to this evidence. 2, cervical rib deformity In patients with thoracic outlet syndrome, about half of them are due to the 7th cervical vertebrae rib deformity or transverse process is too long, not only has the corresponding clinical characteristics, and the treatment is also different from those caused by other reasons. 3, cold damp diarrhea Cold damp diarrhea has symptoms of dampness: heavy head like a wrap, heavy limbs, sticky mouth, and even the texture of the diarrhea is more sticky and unpleasant than wind-cold diarrhea. Therefore, for cold and damp diarrhea must be dispersed cold and dampness, in order to achieve the purpose of stopping diarrhea. 4, hand trauma Hands are one of the most commonly used organs in daily life and work, because the hands in most cases do not have much protection, but also need to constantly contact a variety of tools and objects, in trauma (such as falls or impact), its reflexive support, support, but also make it the most vulnerable part of the whole body. It is also because of the importance of the hands that how to properly manage trauma to the hands so that they can get faster and more complete functional and cosmetic recovery has become a common concern for both patients and hand surgeons. In fact, long-term clinical practice proves that only the joint efforts of doctors and patients can make the recovery of hand trauma achieve satisfactory results. In the process of hand trauma treatment, in addition to the accurate judgment and proper treatment by doctors, the cooperation of patients and reasonable functional exercises are also crucial. It is hoped that this article will provide patients with traumatic hand injuries and their families with a relatively preliminary understanding of these injuries and their treatment principles, and that they will be able to understand to some extent the treatment goals and means of hand surgery specialists so that they can actively cooperate with the physicians in their treatment and rehabilitation.