Objective: To investigate the mechanism of Qianjintablet to treat rats with pelvic inflammatory disease.Methods: Female Wistar rats makes acute pelvic inflammatory disease model by vaccinating mixed bacterial liquid in uterus. Experiment rats were randomly divided into the blank group, the sham-operation group, the model group, the low dosage group , the middle dosage group, the high dosage group, the Fuyankang group, the Roxithromycin group. After drug treatment,took rat uterus,observe the histopathological changes by superfine electron microscope. Results:The ultrastructure of lining of rat ...