Gastric cancer can be classified into common types, special types laurten’s staging according to histological classification. Ordinary gastric cancer includes hypofractionated adenocarcinoma, tubular adenocarcinoma, indolent cell carcinoma, mucinous adenocarcinoma and papillary adenocarcinoma. According to pathological classification, it is divided into early gastric cancer and progressive gastric cancer. Early gastric cancer is further classified into augmented gastric cancer, flat gastric cancer and depressed gastric cancer. Progressive gastric cancer is classified into papillary adenocarcinoma, tubular adenocarcinoma, undifferentiated carcinoma, hypofractionated carcinoma, squamous carcinoma, adenocarcinoma, carcinoid carcinoma, mucinous cell carcinoma and mucosal adenocarcinoma according to histological classification.