Stomach pain is usually treated with colloidal bismuth in pectin followed by rabeprazole. Bismuth pectin needs to be taken first 1 hour before meal to form a kind of protective film, and Rabeprazole is taken half an hour before meal. 1. Rabeprazole: Rabeprazole is a proton pump inhibitor used to inhibit the secretion of gastric acid. Common adverse reactions are headache, bloating, diarrhea, etc. Once these abnormalities occur the drug should be stopped immediately and seek medical attention. Allergic people are prohibited, and people with liver function impairment should be cautious. 2. Bismuth pectin: also called colloidal bismuth pectin capsule, mainly used for chronic gastritis, is a kind of non-prescription drugs. It is prohibited for pregnant women and people with renal insufficiency. The common adverse reaction is that the feces are lusterless dark brown, but no other discomfort, and the color of feces turns to normal within 1 to 2 days after stopping the drug. Stomach pain during the medication should follow the doctor’s instructions, any discomfort during the medication, you should immediately consult a doctor, so as not to delay the condition.