Abdominal distension, nausea and vomiting consider the following causes: 1, acute and chronic gastrointestinal diseases: such as acute and chronic gastritis, peptic ulcer, gastroesophageal reflux disease, gastroparesis, portal hypertensive gastropathy and stomach tumors, and many other diseases can cause the above symptoms. Gastroscopy should be given to clarify the cause and give appropriate treatment. 2. Irregular daily diet: Frequent overeating, spicy diet, or frequent late night, over fatigue, stressful life, mental tension, alcoholism, and taking certain drugs and other aspects of influence, can also appear bloating, nausea, desire to vomit and other uncomfortable symptoms. 3. Pregnancy: For women of childbearing age, it is important to understand whether there is an early pregnancy reaction. 4. Neurosis: pay attention to the exclusion of psychological factors such as gastrointestinal neurosis. 5, other: liver damage, pancreatic and gallbladder diseases can cause gastrointestinal reactions, pay attention to screening. Learn to decompress yourself in daily life, give warm, soft, light and easily digestible food, avoid overeating, eat less and more, chew slowly and strengthen exercise to promote physical recovery.