Stomach pain, bloating and nausea may be caused by improper diet, gastric ulcer, indigestion and other reasons, and should be treated accordingly. 1. Improper diet: If the patient consumes too much cold, spicy and stimulating food, it may cause abdominal pain and nausea, and it is recommended that the patient eat a light diet. 2. Gastric ulcer: when the patient’s gastrointestinal tract is stimulated by inflammation, it may cause gastric ulcers, making the food emptying time is too long, triggering gastric distension, nausea, you can use omeprazole, thioglycollate under the guidance of the physician and other drugs to treat, if there is a Helicobacter pylori infection, it should also be combined with antibiotics, such as amoxicillin, furazolidone and so on. 3. Indigestion: when the patient overconsumption of food, may cause gastric dyspepsia, resulting in nausea, abdominal pain symptoms, can be used under the guidance of the physician mosapride, mitomycin pancreatic enzyme tablets and other drugs to treat. Patients in daily life should follow the doctor’s instructions to take medication, light diet, avoid eating spicy and stimulating food, and seek medical attention when symptoms worsen.