The causes of head distension and dizziness are hypertension, cerebral artery blood supply deficiency, and mental and psychological factors, as follows: First, hypertension: hypertension is mainly seen in middle-aged and elderly people, and can be manifested as head distension and dizziness, and it is recommended to take antihypertensive drugs to treat it. Second, cerebral arterial insufficiency: cerebral arterial insufficiency is mainly seen in middle-aged and elderly people who have long-term hypertension, diabetes, hyperlipidemia, due to these risk factors lead to cerebral arteriosclerosis, and cerebral arterial insufficiency, so some of the above symptoms. Third, psycho-psychological factors: psycho-psychological factors, such as long-term anxiety, depression, and long-term insomnia, these factors can lead to brain dysfunction, resulting in headache, dizziness and other symptoms, this situation needs to take drugs to improve sleep, but also take some antidepressants to comprehensive conditioning.