Numbness in the middle of the body may be related to vegetative nerve dysfunction, or it may be caused by diabetic peripheral neuropathy, cerebrovascular disease and other reasons. 1. Phytoneurological dysfunction: it is usually caused by long-term mental trauma, irregular life and routine, resulting in nerve dysfunction and autonomic nervous system disorder. It may show numbness in the middle of the body, and may be accompanied by local skin numbness, itching, dizziness, headache and other manifestations. 2. Diabetic peripheral neuropathy: this disease can lead to peripheral nerve damage, resulting in peripheral nerve dysfunction, resulting in poor blood flow of nerve endings, may show numbness in the middle of the person, may also be accompanied by numbness of the hand, foot numbness, hand muscle weakness and other symptoms. 3. Cerebrovascular disease: common in acute cerebral hemorrhage or cerebral infarction, especially the posterior circulation ischemia, resulting in dysfunction of the local cortex, numbness in the middle of the body may occur, may also be accompanied by dizziness, headache, speech and other unfavorable performance. Numbness in the middle of the human body may also be related to other factors, if accompanied by obvious symptoms of discomfort, should go to the hospital in time to confirm the diagnosis of the cause of the disease, by the doctor’s guidance for treatment and adjustment.