Nausea after eating, mainly consider dietary problems, digestive system diseases, psychological factors and other factors, mainly through physical methods, medication methods and other ways to relieve. 1. Dietary problems: there may be overeating, unhygienic food, over-stimulation of food, etc. You should eat small meals, chew slowly and have a light diet. 2. Digestive diseases: patients suffering from esophageal stenosis, pyloric obstruction, gastric and duodenal ulcer, acute gastritis, cholecystitis and other diseases also have symptoms of nausea and vomiting after eating, need to be vigilant, such patients may also be accompanied by heartburn, indigestion, and loss of appetite, etc., given to promote gastric motivation of the drug, such as mosapride, domperidone. 3. Psychological factors: prolonged mental tension, emotional excitement, excessive pressure, may lead to nervous system disorders caused by nausea after eating, should actively adjust the mind, keep a happy mood. 4. Other factors: improper weight loss, excessive dieting and cold and fever may cause nausea after eating, women of childbearing age should also consider the possibility of pregnancy. Nausea after eating, there are many other reasons, it is recommended to actively seek medical attention, clear diagnosis, symptomatic treatment.