Dizziness caused by insufficient blood supply to the cerebrovascular system can be improved by taking medication and exercising. 1. Taking medications: Most patients with dizziness caused by insufficient blood supply to the cerebrovascular system are advised to take medications to improve blood circulation, such as Panax ginseng, safflower, salvia, ginkgo biloba preparations, etc. Patients can also take oral blood and brain granules or oral xibiru under the guidance of a doctor. 2. Exercise: It is recommended that patients exercise when their physical conditions allow, such as neck exercise, through the exercise of the neck can increase the resistance of blood vessels and flexibility, which is helpful for promoting the circulation of meridians. It is recommended that patients usually maintain a low cholesterol diet, eat as little as possible or do not eat animal fats, but also pay attention to avoid mental stress, do not emotional fluctuations, can reduce the occurrence of cerebral vascular spasm. If the cerebrovascular blood supply is insufficient to cause dizziness, we should consult a doctor in a timely manner, and follow the doctor’s instructions for medication.