For 0.5cm gastric polyps, the chance of malignancy is generally very low, no matter it is adenomatous or hyperplastic or fundic gland type, the chance of malignancy is very low, you can observe. It can be observed. For example, gastroscopy should be repeated once every 1-2 years to see whether the polyp has grown or not, and some active means can be taken, such as endoscopic polypectomy, because if it is an adenomatous polyp, it has a certain chance of malignant transformation. Therefore, it can be judged through endoscopy that whether it is a fundic glandular polyp or an adenomatous polyp, and if it is an adenomatous polyp, it is recommended that the patient undergoes resection at the earliest possible time.