Professor Cui Yun has engaged in the clinical research of male diseases for more than 30 years, and special- izes in treating all kinds of male diseases and has rich experiences and insightful views in the treatment of varicocele - induced in- fertility. This paper makes an analysis of the experience of Professor Cui Yun, who believes that the disease is due to congenital deficiency, liver and kidney deficiency, poor blood - flowing due to disorder of Qi and blood, and new blood cannot circulate, leading to testis dystrophy, so there is no source of semen, all of which induce the infertility. ...