There are many causes of numbness in the back of the head, the common diseases are mainly the following: 1, cervical spondylosis, serious cervical spine disease can pull the surrounding vascular nerves, and cervical spine osteophytes can compress the nerve, resulting in impaired nerve function, and cause the symptoms of numbness in the back of the head, improve the cervical spine examination can be clearly diagnosed, its treatment can be symptomatic treatment by taking the cervical rehabilitation particles. 2, hypertension. This disease has no characteristic clinical manifestations in the early stage, with the rise of blood can cause dizziness, headache, head numbness and other symptoms, its treatment requires regular use of antihypertensive drugs, common antihypertensive drugs such as amlodipine, enalapril, etc., usually need to closely observe the blood pressure. 3, transient ischemic attack, the disease is due to insufficient blood supply to the vertebral basilar artery, and cause transient ischemia and hypoxia of the brain, the symptoms last about The symptoms last for a few minutes, usually no more than half an hour, and can be treated with drugs to improve cerebral circulation, such as flunarizine capsules, ginkgo biloba and other drugs to relieve symptoms.