The bulge at the greater curvature of the stomach may be caused by gastric cancer, or it may be caused by local inflammation, polyps and other reasons. 1. Gastric cancer: gastroscopy found that the bulge at the greater curvature of the stomach may be caused by cancer of the stomach, such as gastric malignant lymphoma, smooth muscle sarcoma, neurofibrosarcoma and other malignant diseases. 2. Local inflammation: local inflammation may stimulate the gastric mucosa to proliferate and not smooth, which will lead to the bulge at the greater curvature of the stomach. 3. Polyps: the bulge may also be caused by benign polyps, usually need to take part of the tissue to send pathology, if it is determined to be a polyp, can be resected, regular review. When gastroscopy found in the greater curvature of the stomach bulge, it is recommended to do further examination, clear cause, under the guidance of the doctor actively cooperate with the doctor’s treatment.