There are several possible causes of nausea after meals: 1, most of them are due to improper diet or indigestion caused by nausea after meals, usually pay attention to eating light, easily digestible food, avoid cold, greasy food. If necessary, you can take digestive drugs and drugs that enhance gastrointestinal motility, such as gastrointestinal tablets, morpholine, etc. 2, if frequent nausea after meals to consider whether the symptoms caused by gastritis and other stomach diseases, you can further gastroscopy, C14 breath test to clarify the specific causes in targeted treatment. 3, cholecystitis, hepatitis, renal insufficiency, etc. 3, cholecystitis, hepatitis, renal insufficiency, etc. can also lead to nausea after meals, the need for treatment of the primary disease.