The causes of nausea and regurgitation include organic diseases and other factors, as follows: a. Organic diseases: Patients undergo gastroscopy to understand whether there are acute and chronic gastritis, gastric ulcer, gastroesophageal reflux disease and gastric cancer and other related diseases, and give the right treatment. Other factors: Consider whether there are irregular diet, staying up late, excessive fatigue, stressful life, work tension, alcoholism, and certain drugs and other influences. For women of childbearing age, it is necessary to understand whether there is an early pregnancy reaction, and also to exclude the gastrointestinal symptoms caused by gastrointestinal neurosis. We can give appropriate treatment for different causes, learn to reduce stress in daily life, avoid the intake of spicy and stimulating food, avoid overeating, give warm, soft, light and easy to digest food, and eat less and more meals.