Abstract:Objective: To observe the effect of Xiaozheng decoction(XZD) resolve in treatingendometriosis model mouse and to explore its Liquid of abdominal cavity PGF2a、serum CA125. Method: Divide into four groups, the group treated with physiological saline, the group treated with western medicine, the group treated with traditional Chinese medicine of high dosage, and the group treated with traditional Chinese medicine of low dosage, each group with ten mouses. By ELISA to observeendometriosis model mouse’s serum CA125andliquid of abdominal cavity PGF2a. Result: XiaoZheng Decoction(XZD) reduce the serum CA125,liquid of abdominal cavity PGF2a of endometriosis model mouse and has some restrained function for endometriosis. Conclusion: XZD has an effect may be achieved by reducing the serum CA125,liquid of abdominal cavity PGF2a,restraining unusual proliferation of endometriosis.