Pharmaceutical composition and preparation method thereof, and application of pharmaceutical composition in treating endometriosis

The invention provides a pharmaceutical composition and a preparation method thereof, and application of the pharmaceutical composition in treating endometriosis. The pharmaceutical composition comprises cassia twigs, peach kernels, poria cocos and white paeony roots which all serve as active ingredients. The weight parts of the bulk drugs including the cassia twigs, the peach kernels, the poria cocos and the white paeony roots are 1 part, 1 part, 1 part and 1 part respectively. 本发明提供一种药物组合物及其制备方法和治疗子宫内膜异位的用途，该药物组合物包含作为活性成分的桂枝、桃仁、茯苓、白芍。其中，桂枝、桃仁、茯苓、白芍的原料药材的重量份配比为：桂枝1份、桃仁1份、茯苓1份、白芍1份。