Cerebral blood supply insufficiency and carpal tunnel syndrome are two different diseases. 1. Insufficient cerebral blood supply: it is a common cerebrovascular disease, caused by atherosclerosis of cerebral arteries and ischemia and hypoxia of brain tissues. It may manifest as dizziness or vertigo, nausea, weakness, memory loss, tinnitus and other symptoms. The treatment is mainly to control the risk factors, at the same time, can be given to improve the brain circulation drugs, such as vincristine, ginkgo biloba and other symptomatic treatment, part of the intervention can be surgical treatment. 2. Carpal tunnel syndrome: it is a group of symptoms and signs manifested by the compression of the median nerve in the carpal tunnel. It is the most common type of peripheral nerve compression syndrome. The treatment of this disease includes physical therapy and surgery.