Abstract:The effect of Xiaopiling Granules on muscular historhemistry of gastric precancerous changes in rats was observedquantitatively. The activity of SDH and M-ATPase as well as the content of museular glycogen in modei groups werefound significantly lower than those of the normal groups (p<0.01) , and in this decrease Xiaopiling Granules hadmarkedly played a preventive and therapeutic role.