Acid-suppressing drugs and bismuth agents can be taken at the same time when needed. Acid-suppressing drugs such as omeprazole and bismuth agents such as colloidal bismuth pectin can usually be taken at the same time, and it is recommended that they be taken 30 minutes before meals so that they can be fully absorbed and have a better effect. Gastric mucosa protector colloidal bismuth can also be taken before bedtime, which can give full play to the protective effect of gastric mucosa. For example, in the process of Helicobacter pylori eradication treatment, the classic medication regimen will combine these two types of drugs, both of which are usually taken before meals. In addition, during the medication period, patients should pay attention to rest, do not stay up late, avoid spicy, cold and irritating food, avoid smoking, overeating, and prohibit alcohol during the medication period. The above drugs are prohibited for those who are allergic to them, and should be taken in accordance with medical advice. If the patient is diagnosed with gastrointestinal diseases, it is recommended to go to a regular hospital in time, after clarifying the cause of the disease, targeted treatment under the guidance of the doctor, in order to reduce the adverse effects of the disease.