Nausea while eating is considered to be caused by pregnancy, indigestion, chronic gastritis, cholecystitis and other factors. If the patient is a woman of childbearing age and vomiting occurs while eating, it may be due to the reaction caused by early pregnancy, because the hormonal changes in the body after pregnancy will lead to nausea, dry heaving and other discomforts. Patients who usually have dyspepsia, due to the slowing down of gastric peristalsis and insufficient gastric motility, usually have nausea and bloating, etc. When food is ingested resulting in the presence of a large amount of contents in the stomach, which aggravates the burden on the gastrointestinal tract and causes flatulence and nausea. Patients with chronic gastritis, due to the presence of inflammatory stimulation of the mucous membrane of the stomach, decreased digestive capacity, when eating food on the mucous membrane of the stomach caused by stimulation, causing nausea. Usually have cholecystitis patients, due to the gallbladder cavity has inflammation stimulation, bile secretion discharge is impeded, if you eat more greasy food, there will be nausea and other discomfort.