Vomiting right after eating can be due to food factors, excessive dieting, gastrointestinal disorders and pregnancy. 1. Food factors, when the food eaten is not fresh, it will lead to inflammation of the gastrointestinal tract, and then vomiting phenomenon. 2. Excessive dieting, if a woman goes on a long-term diet because she is not satisfied with her body shape, it will cause different degrees of anorexia, which will also be manifested in vomiting immediately after eating. 3. Gastrointestinal diseases, if you are suffering from acute or chronic gastroenteritis, peptic ulcer, pyloric obstruction, intestinal obstruction, etc., you will experience vomiting after eating irritating food. In addition, women should also be alert to the presence of pregnancy, when recently had sex or in the state of preparation for pregnancy, vomiting after eating should be considered whether the hormonal changes caused by pregnancy. It is recommended to consult a medical professional in a timely manner.