Xiaochaihu decoction a renowned formula in the Treatise on Febrile and Miscellaneous Diseases and is known for its effects in harmonizing Shaoyang，with harmonizing Shaoyang，soothing liver-qi stagnation，and regulation of qi and blood.It can be used to treat a variety of conditions such as external pathogens，internal injuries，and gynecological diseases，showing ideal therapeutic effects.In traditional Chinese medicine，the pathogenesis of infertility is related to many factors such as deficiency of kidney essence and stagnation of liver qi.Targeting the pattern of “liver qi stagnation” and following the principle of ZHANG Zhongjing's “seeing one symptom is enough，no need to see all”，Xiaochaihu decoction is often clinically used to treat infertility and related diseases.