Whether it will become cancerous after six months depends on the result of gastroscopy before six months. If it is only some mild gastritis or some small ulcers, then the chance of cancer after six months is not very high. However, if there are some heterogeneous hyperplasia or some precancerous lesions at the time of gastroscopy, then cancer may occur after six months. According to the different constitution, emotion, resistance and maintenance of each person, the chances of these precancerous lesions transforming into gastric cancer are also different, some gastric diseases transform from benign to malignant, and some cancers progress faster, that’s why doctors suggest to review regularly. The quality of life. Gastric patients should usually pay attention to the regularity of life, eat more fruits and vegetables, drink more water, prohibit spicy and irritating food, eat light and easily digestible food, do not overeat, greasy, cold, indigestible do not eat more, slowly gastric disease will get better. We should also pay attention to keeping a happy mood and exercising more, so that the resistance can be improved and the possibility of cancer can be reduced.