Vomiting is mostly associated with pregnancy, vestibular disorders physiological factors factors, peptic ulcer, intestinal obstruction and other pathological causes, different causes of antiemetic methods are not the same, so there is no unified fastest and most effective method, commonly used including physical antiemetic and drug antiemetic method. 1. Physiological factors (1) Pregnancy: Physical antiemetic can be achieved by deep breathing, placing a wet towel soaked in cool water on the forehead, and consuming cool food to soothe the stomach. (2) Vestibular disorders: mainly seen in motion sickness and seasickness, can be improved by taking drugs such as benadryl and ipratropium. 2. Pathological factors (1) Peptic ulcer: it can be improved by improving gastrointestinal dynamics drugs, such as domperidone, vitamin B6 and so on. (2) Intestinal obstruction: Vomiting caused by intestinal obstruction can not be used to promote defecation or increase gastrointestinal peristalsis, need to consult the doctor in time, improve the X-ray and other tests to clarify the degree of obstruction, if necessary, need to be treated through surgical means. All of the above medications should be used under the guidance of a doctor, avoid self-medication.