Infection with Helicobacter pylori may not have symptoms in the early stage, and later acid reflux, belching and other typical manifestations, but also weakness, anemia and other accompanying symptoms. 1. Early symptoms: many patients do not have obvious symptoms in the early stage of H. pylori infection, and some patients may have gastritis symptoms such as abdominal distension and pain, nausea and loss of appetite. 2. Typical symptoms: with the prolongation of the infection time, most of the patients will have stomach pain, stomach fullness, belching, acid reflux, nausea and other digestive discomfort; some patients may show periodic, recurrent digestive discomfort symptoms. 3. Accompanying symptoms: H. pylori infection may lead to ulcers and inflammatory foci in the stomach, and if the small blood vessels in the local mucosa rupture, black stools and other symptoms may occur; long-term bleeding may lead to fatigue, anemia and so on. Infection with H. pylori, it is recommended to go to a regular hospital in time, according to the guidance of professional doctors standardized medication.