Regurgitation, nausea and vomiting after lunch may be symptoms of indigestion. Dyspepsia is caused by poor dietary habits and irrational eating habits, such as smoking, drinking, eating spicy, stimulating, greasy, cold food, overeating and so on. General symptoms of indigestion include bloating, acid reflux, nausea, belching, diarrhea, constipation and so on. Usually pay attention to reasonable diet, three meals regularly, avoid overeating, it is recommended to eat less. In addition, eat more easily digested food, such as fruits, vegetables, a variety of hot soups, or fish, shrimp, eggs, bean products and so on. Usually pay attention to physical exercise to promote digestion. Drugs can be used morpholine, stomach-healthy elimination tablets.