Conclusion:Xiaoyao-powder has obvious advantages in the improvement of liver function,reducing endotoxin and increasing expression of MTL and MTL-R, especially in the MTL-R of antral smooth muscle cells, while Xiaoyao-powder removing atractylodes, poria, ginger and lic-orice will be lowered the protective effect on the liver.It reveals the clinical significance of Chinese medicine therapy for treating liver by nourishing spleen.Its function mechanism is probably through directly increasei...