胃癌是最常见的癌瘤之一,占消化系统肿瘤的首位,全部癌瘤的第三位。据我国近年来部分省、市的统计资料,胃癌的死亡率占各种恶性肿瘤的第一位,是一种严重危害人民健康的疾病。为了加强对癌前疾病的研究和防治,有必要对胃癌与慢性胃病之间的 Gastric cancer is one of the most common cancers, accounting for the first place in the digestive system and the third largest cancer. According to the statistical data of some provinces and cities in recent years, the mortality of gastric cancer accounts for the first of all malignant tumors, and it is a disease that seriously endangers people’s health. In order to strengthen the research and prevention of precancerous conditions, it is necessary to have a relationship between gastric cancer and chronic stomach diseases.