The main causes of postprandial stomach discomfort, nausea and vomiting include improper diet, gallbladder and pancreatic diseases, gastrointestinal diseases, etc. Reasonable treatment is needed to improve stomach discomfort according to the following specific causes: 1. Improper diet: Patients with postprandial stomach discomfort may have a direct relationship with the food eaten, such as eating some fishy, spicy, stimulating, raw and cold or bad-tasting food and other causes cause. This is a physiological cause, patients do not have to worry too much, can be relieved by drinking water or eating fresh fruit, such as apples, oranges, kiwis, or drinking some juice; 2, gallbladder and pancreatic disease: patients suffering from pancreatitis or cholecystitis, generally after eating will have nausea, discomfort, especially after eating more greasy food, this feeling will be more obvious. Patients should go to the hospital in a timely manner, improve the relevant examination, when the symptoms are serious, patients need to fasting, water fasting, follow medical advice to use antispasmodic and analgesic drugs, as well as to give intravenous nutritional support, anti-infective treatment, etc., and ask the surgeon to assess whether surgery is needed after the condition is relieved; 3, gastrointestinal diseases: if patients suffer from gastrointestinal diseases, such as acute gastric dilatation, chronic gastritis, gastric ulcer, etc., patients will experience discomfort in the stomach after eating If the patient suffers from gastrointestinal diseases, such as acute gastric dilatation, chronic gastritis, gastric ulcer, etc., the patient will experience discomfort in the stomach after eating, and needs to go to the hospital to find out the specific cause of the disease and follow medical advice to inhibit stomach acid, protect the gastric mucosa, promote gastrointestinal dynamics and other treatments.