Abstract: The purpose of medicine is to cure patients′ illness. As an ancient disease which has not been conquered, cancer has always been accompanying with the development of medicine in human history. Separation and progress of medical subspecialties have promoted human′s understanding of cancer and propelled the standardization of cancer treatment. Along with the deepening cognition of pathology, early diagnosis, establishment of surgical and adjuvant therapeutic schedules, the stan dardized treatment of gastric cancer has stepped forward gradually.The coming big data era will further refine the classification of gastric cancer and provide new opportunities for treatment updating.