Objective:Based on copy corresponding pathologic model

to discuss rationality of processing by comparing pharmacodynamics of Pingwei San. Method:Rats were divided into seven groups randomly

such as the normal group

the model group

the positive group

Pingwei San group

Pingwei San with processed Glycyrrhizae Radix et Rhizoma group

Pingweisan with processed Atractylodis Rhizoma group and Pingwei San with processed products group.In addition to the normal group

models caused by improper dieting

excessive external dampness and emotional discomfort with the spleen and stomach being stranded by dampness.Propulsive rate of the small intestine

gastric residual rate and swimming exhaustion time were taken as evaluation indexes for treatment of Pingwei San. Result:Compared with the normal group

gastric residual rate

propulsive rate of the small intestine and anti-fatigue capability of the model group decreased significantly

which manifested the model was successful.Compared with the model group

each treatment group had a significant improvement effect

while the positive group and Pingwei San with processed products group had the greatest effect. Conclusion:After Glycyrrhizae Radix et Rhizoma and Atractylodis Rhizoma in Pingwei San being processed

this prescription is preferable for improving dampness obstructing spleen-stomach syndrome.