Nausea and vomiting are commonly associated with digestive symptoms, such as acute gastritis caused by poor diet or consumption of raw and cold foods. Generally, abdominal pain, nausea and vomiting are the main manifestations, which can be treated with acid-suppressing and gastrointestinal peristaltic drugs. If vomiting is obvious, appropriate rehydration should be given to avoid electrolyte disturbance. It is also seen in hypertension, cerebral hemorrhage, cerebral infarction and other causes of elevated intracranial pressure, accompanied by abnormal blood pressure as well as mental consciousness disorders and limb movement disorders. When this occurs, it is recommended to go to the hospital in time to avoid delaying the condition. Regular diet and avoiding cold and unclean food can effectively avoid nausea and vomiting due to digestive system diseases.