Dizziness and nausea like motion sickness may be caused by cerebral insufficiency of blood supply. Cerebral insufficiency of blood supply refers to the impaired blood supply to the brain caused by various reasons, thus causing cerebral ischemia and hypoxic changes, including cerebellum, brainstem insufficiency of blood supply and cerebral insufficiency of blood supply.1. When cerebellum and brainstem insufficiency of blood supply, patients may experience dizziness, nausea, vomiting, and may also have balance disorders and ataxia, which are mainly treated by improving The main treatment is to improve blood circulation, which can be treated by oral administration of Panax ginseng as well as Ginkgo biloba drops and Salvia miltiorrhiza, and also by intravenous infusion of Shuxinin, Sparing Blood, and Vibrulun. If the patient has high blood pressure or low blood pressure, the patient can also have the above symptoms, and the main treatment is to regulate blood pressure. If the patient has low blood pressure, he can take oral blood pressure drink, at the same time to increase exercise to enhance physical fitness. If the patient has severe hypovolemia, it may also cause insufficient blood supply, which usually occurs in middle-aged and elderly people, probably due to long-term massive diarrhea or vomiting.