There are more causes of nausea after eating without vomiting, such as dietary factors, pregnancy, digestive system diseases, etc., which need to be treated symptomatically after clarifying the causes. Common causes and treatment a. Dietary factors: 1. Inappropriate diet: such as eating too much cold, greasy, spicy and stimulating food, which may lead to indigestion or gastric mucosa damage, feeling nauseous after meals. Oral digestive enzymes can be taken, etc. If the situation still does not improve, it is best to go to the hospital for further examination to avoid delaying the disease; 2. Food poisoning: such as eating uncooked soy milk, bean curd, mushrooms, etc., you will feel nauseous after eating, and may have fever, abdominal pain, dizziness and other symptoms, you need to go to the hospital quickly, according to the condition to determine whether the need for gastric lavage, and drug treatment for different poisoning. Second, digestive system diseases: 1, stomach diseases: gastric ulcer, gastroesophageal reflux and other diseases, but also due to the stimulation of the gastric mucosa after eating, causing stomach discomfort, can be symptomatic use of gastric mucosal protective agents, acid suppressant drugs to protect the gastric mucosa and relieve symptoms; 2, intestinal diseases: intestinal obstruction, intestinal polyps will obstruct the digestive channel, so that patients feel nausea after eating, usually accompanied by abdominal distension, abdominal pain, and in serious cases may be blood in the stool. The diagnosis can be confirmed by gastroscopy, colonoscopy and ultrasound examination, injection of water, electrolytes and nutrients, and surgery is required for more serious conditions; 3, other: acute and chronic hepatitis, cholecystitis, pancreatitis, etc. can also lead to discomfort after eating, accompanied by obvious abdominal pain, cold sweats and other symptoms. For example, antiviral treatment is feasible for viral hepatitis, atropine can be used to relieve spasm and pain for cholecystitis, and fasting and water fasting is required for pancreatitis. Third, pregnancy: women of childbearing age may also be due to pregnancy produced by early pregnancy reaction, individuals at home can use HCG pregnancy test paper to determine, go to the hospital through the serum HCG and ultrasound examination to determine more accurate, delicious containing sour plum, sugar ginger tablets and other foods to reduce nausea. Fourth, other diseases: 1, heart disease: the stomach is closer to the heart, if you feel stomach pain after eating, may trigger the onset of coronary heart disease, angina pectoris, severe pain in the precordial region, and there is nausea but not vomiting performance, this time to seek medical attention, if necessary, coronary angiography, after the diagnosis can be sublingual nitroglycerin to relieve discomfort; 2, diabetes: diabetic ketoacidosis can also cause nausea, can check urine routine and blood sugar judgment, correct electrolyte imbalance through rehydration, reduce blood sugar. Note daily pay attention to a light diet, choose easily digestible food, drink more warm water, eat more fresh vegetables to replenish vitamins, fruits to avoid lemons, grapefruits and other types of strong stimuli, quit smoking and limit alcohol, regular living, and maintain a good mood.