To observe clinical therapeutic effect of Ren Zhu Jian Wei Granules on precancerous lesion of stomach. Methods: 130 cases of precancerous lesion of stomach were randomly divided into tow groups, the treatment group (88 cases) treated with Ren Zhu Jian Wei capsules and the control group (42 cases) treated with Wei Fu Chun Tablets, and clinical data were analyzed. Results: The comprehensive therapeutic effect was 92. 0% in the treatment group and 73. 8% in the control group; and the clinical therapeutic effect was 94. 3% in the treatment group and 78. 6% in the control group with a significant difference (P