A bulge in the bottom of the stomach 1.5 x 2 cm movable by touch is considered to be a gastric polyp, heterogeneous hyperplasia of the mucosa, gastric mesenchymal tumor, gastric lymphoma, etc., or even gastric cancer. The occurrence of stomach lumps is related to diet, heredity, disease, infection and other factors. 1. Diet: Long-term consumption of stimulating food, pickled food, etc. is an important factor that induces stomach swelling. 2. Heredity: gastric polyps, gastric cancer has a certain family tendency, for the relevant family history of people should be regularly reviewed gastroscopy. 3. Disease: Atrophic gastritis is a precancerous disease, which may develop into gastric cancer if it continues to progress. 4. Infection: Helicobacter pylori infection is the cause of many gastric diseases, such as dyspepsia, gastritis, peptic ulcer, and even gastric cancer. In the case of gastric fundus elevation of 1.5×2 cm which is movable by touch, it is recommended to consult a doctor to analyze the specific nature of the condition in combination with pathology, and to analyze the specific causes in combination with personal history, family history, and symptoms.