The first is acid suppressants and drugs for neutralizing gastric acid. There are two types of commonly used acid suppressants, one is proton pump inhibitors, and the second is H2 receptor antagonists. Second, it is a medicine for making acid or neutralizing gastric acid. There are some bismuth agents and weakly basic drugs, including sucralfate, aluminum magnesium addition, aluminum magnesium carbonate and so on. Third, there are gastrointestinal antispasmodic drugs and gastrointestinal motile drugs. Belladonna and 6542, which are commonly used as antispasmodic drugs, are mainly used for some abdominal pain and crystallization treatment. In addition, for some patients with abdominal distension and constipation, one of the commonly used is motile drugs. The commonly used motile drugs are Modine, metoclopramide, and total gastrointestinal motile drugs, Mosapride, Itopride and so on are commonly used. Fourth, it is a cathartic and antidiarrheal drug. For patients with constipation, some commonly used cathartic drugs are cathartic, such as fruit guide tablets, biantong tablets, lactulose, polyethylene glycol, etc. if they are patients with diarrhea, they will be given some antidiarrheal drugs, including montmorillonite powder and some micro biological agents.