Gui Zhi Fu Ling Capsule can treat breast hyperplasia. As Gui Zhi Fu Ling Capsule is a medicine for treating blood stasis and obstruction of collaterals, it can treat obstruction in the abdomen due to blood stasis and obstruction of collaterals, as well as menstrual closure, dysmenorrhea, post-partum dyspareunia, uterine fibroids as well as chronic pelvic inflammatory disease and lumps, and so on. It is also effective in treating dysmenorrhea, endometriosis and ovarian cysts. In addition, it has certain therapeutic effects on breast hyperplasia, breast pain, breast lumps, chest distension and tightness in women as well as prostate hyperplasia in men. Therefore, Gui Zhi Fu Ling Capsule can treat breast hyperplasia caused by blood stasis and obstruction, and it is a commonly used medicine for breast hyperplasia, which can be combined with other medicines such as Jia Wei Yi Puan for treatment.