Gastric ulcers with lumps in the elderly is a certain probability of developing into malignant tumors. Gastric ulcer is a common digestive disease, mainly caused by Helicobacter pylori infection. Gastric ulcers have a certain probability of developing into gastric cancer, especially in patients over 40 years of age. The elderly gastric ulcer has already appeared mass, there is a certain probability for malignant tumor. At this time, the diagnosis can be confirmed through gastroscopy and tissue biopsy. If it is found to be early gastric cancer, i.e., it is often manifested as erythema and erosion, then it can be treated under endoscopy, and the prognosis is also very good. Therefore, patients should actively cooperate with doctors for early detection, diagnosis and treatment to avoid delaying the condition.