Objective To study the effect of Yiqi Bushen （Reinforce qi and strengthen kidney） Oral Liquid and chemotherapy on the metabasis of stomach cancer after operation. Methods The 47 patients of stomach cancer after operation with the spleen and kidney deficiency syndrome were randomized into treatment group （n=28） and control group （n=19）. The control group was treated simply by chemotherapy and the treatment group by chemotherapy and Yiqi Bushen Oral Liquid. Condition of relapse and metabsis

quality of life

peripheral blood examination and immune function were observed 12 months later. Results The relapse and metabasis rate of treatment group was remarkably lower than that of control group （P<0.05）

the Karnofsky score

peripheral blood and immune function were all remarkably improved in comparison with control group （P<0.01 or P<0.05）. Conclusion Yiqi Bushen Oral Liquid together with chemotherapy has a good function in resisting the metabasis of stomach cancer after operation and increasing the sensitivity and decreasing the untoward reactions

and improving quality of life and immune function of patients as well.