Mammary gland hyperplasia is a relatively common benign breast disease.At present,modern medicine does not have a good treatment for breast hyperplasia.In recent years,it has been found that the Xiaojin Pills(Capsules)has a good clinical effect on mammary gland hyperplasia.Therefore,based on the theory of “treating different diseases with same method”,we aimed to explore the application of Xiaojin Pills(Capsules)in breast hyperplasia.On one hand,it is helpful to understand the mechanism of Xiaojin Pills in the treatment of hyperplasia of mammary glands comprehensively,on the other hand,it helps to expand the application of the idea of “treating different diseases with same method” in clinical practice.