In general, gastric polyps do not usually lead to coughing up blood, but they may lead to vomiting up blood. Gastric polyps refer to benign elevated lesions protruding from the surface of the gastric mucosa with a smooth surface. Gastric polyps can be caused by Helicobacter pylori infection, chronic gastritis, long-term use of proton pump inhibitors such as esomeprazole, bile reflux, and atrophic gastritis, and are also associated with age, autoimmunity, and hereditary factors. Gastric polyps usually do not cause uncomfortable signs and symptoms, a small number of patients may experience some uncomfortable symptoms, such as pain and nausea when pressing on the abdomen, but also abdominal distension, loss of appetite and other symptoms, when the gastric polyp erosion or rupture of bleeding, upper gastrointestinal bleeding symptoms, such as vomiting blood (including vomiting of blood filaments), black stools and so on. Once gastric polyps lead to vomiting of blood, it is recommended to consult a doctor in time to clarify the diagnosis and carry out targeted treatment.