The symptoms of numbness of hands and feet in diabetic patients may be caused by diabetic complications, such as diabetic peripheral neuropathy, or may be caused by other diseases, such as cervical spondylosis, cerebrovascular disease and so on. 1. Diabetic patients with poor long-term control of blood glucose may lead to the occurrence of diabetic peripheral neuropathy, which is mainly manifested as abnormal sensation of the ends of the limbs, and may be characterized by numbness of the hands and feet. 2. In addition to diabetes itself will lead to numbness of the hands and feet, cervical spondylosis patients due to compression of the nerve, may also appear numbness of the hands and feet; cerebrovascular lesions may be due to the cerebral blood and oxygen supply obstacles, may appear numbness of the hands and feet. Diabetic patients with numbness of the hands and feet symptoms, it is recommended to consult a doctor in a timely manner.