Colloidal bismuth pectin capsule can be used to treat chronic atrophic gastritis. Colloidal bismuth pectin capsules have the effect of promoting the recovery of gastrointestinal mucosa and killing Helicobacter pylori, which is conducive to the rapid recovery of the condition after use. The drug can form a protective film on the gastric mucosa, and can stimulate the gastric mucosal epithelial cells to secrete mucus, which can increase the protective effect on the mucosa. It can also kill Helicobacter pylori, which can promote the healing of gastritis. Most people, after taking colloidal colloidal bismuth pectin capsules, discharged stools will be lusterless dark brown, which is a normal phenomenon, and will return to normal within one to two days after stopping the drug. Allergy to this product and renal insufficiency is prohibited. The drug is a class A non-prescription drug, can be used under the guidance of a doctor or pharmacist.