The difference between stomach disease and hepatitis B is mainly in terms of causes, symptoms and medication. 1. Causes: Most stomach diseases are caused by long-term improper diet, infection, etc., which cause damage to the stomach and trigger stomach diseases. Hepatitis B is an infectious disease caused by a virus, and the affected organ is the liver. 2. Symptoms: Gastropathy is usually pain in the middle and upper abdomen, while hepatitis B usually has pain in the right upper abdomen, partly accompanied by yellowing of the skin and sclera. 3. Treatment: Gastropathy is usually treated with gastric acid-suppressing agents and drugs to improve gastrointestinal motility, such as omeprazole, pantoprazole, aluminum thioglycollate, magnesium aluminum carbonate tablets, etc. Hepatitis B usually requires antiviral treatment. Hepatitis B usually requires antiviral treatment, commonly used polyethylene glycol interferon, silymarin capsules and so on. When gastric problems or hepatitis B occur, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause with the help of the doctor, and carry out targeted treatment.