Men’s kidney cysts will not affect fertility, the following specific analysis: a. The cause of men’s kidney cysts is due to renal tubular diverticula, congenital and hereditary factors, such as renal tubular diverticula caused by the general single kidney cysts, congenital or hereditary factors caused by multiple kidney cysts. Second, fertility as long as the man’s libido function is normal, the reproductive system is normal, there will generally be no fertility problems, so that men with kidney cysts will not affect fertility. Third, if a man is a polycystic kidney patient, because there are hereditary factors that can affect the next generation, it can be detected through molecular genetics and other means to make the family of polycystic kidney patients choose a healthy child.