All day long, there are several situations: 1, diet is not hygienic: daily life does not pay attention to diet, eat pesticide residues exceed the standard of vegetables, fruits or other unclean food, a lot of toxins in these foods may lead to gastrointestinal inflammation, such as acute gastroenteritis, but also affect the gastrointestinal function, there will be a feeling of wanting to vomit; 2, food is too greasy: eat too much greasy food, the body Protease and lipase will be under a lot of pressure, if the digestive enzymes are not enough, there may be indigestion, and then there will be vomiting; 3, eating too fast: eating without chewing and swallowing, eaten food is not easy to digest easy to accumulate in the stomach, there may be vomiting; 4, disease caused by: such as acute gastritis, duodenal ulcer, superficial gastritis, etc., because the gastric mucosa Damage to the stomach mucosa will have vomiting, in addition to loss of appetite, bloating and other symptoms.