Insufficient blood supply to the brain may be caused by cervical spondylosis, high blood pressure, cerebral atherosclerosis, etc., which requires general treatment and medication. 1. Cervical spondylosis: It can be caused by herniated intervertebral disc, which presses the vertebral basilar artery and leads to insufficient blood supply to the brain. Usually avoid prolonged head down, ambulatory workers should pay attention to the interval rest, can be taken to massage, massage and other methods or the use of muscle relaxation drugs, such as ethylpiperidone to improve the symptoms, if necessary, to take traction or surgical treatment. 2. Hypertension: Long-term elevation of blood pressure can lead to spasm of small arteries, degeneration of small arterial lining and thickening of the wall, resulting in insufficient blood supply to the brain. The main thing is to control the blood pressure level, actively cooperate with the doctor to take antihypertensive drugs, such as Bisoprolol, Metoprolol, etc., and to improve the life style, low-salt and low-fat diet. 3. Atherosclerosis of cerebral arteries: it can lead to narrowing of the lumen causing insufficient blood supply to the brain. Generally, it is necessary to follow the doctor’s instructions to take antiplatelet drugs and lipid-adjusting drugs, such as aspirin, clopidogrel, resuvastatin and so on. Insufficient blood supply to the brain may also be caused by other reasons, it is recommended to go to the hospital in time to identify the cause of the targeted treatment. The above drugs should be used in strict accordance with medical advice.