AIM: To explore the therapeutic effects of antimonials on solid tumor by observing the effects of potassium antimonyl tartrate ( PAT) on the proliferation and apoptosis of human gastric cancer SGC 7901 cells in vitro. 目的:通过观察酒石酸锑钾(PAT)在体外对人胃癌SGC7901细胞增殖和凋亡的影响,探讨重金属锑剂对实体瘤的治疗作用,为PAT用于临床治疗胃癌提供实验依据及理论基础。