The cleaning of a man’s reproductive system includes preparing tools, cleaning the vulva, cleaning the anus and the roots of the thighs. 1. Preparation of tools: When a man cleans his reproductive system, he should first prepare special cleansing tools, especially washbasin and towel should be used by a single person and kept clean, otherwise it may lead to cross-infection of bacteria, which may damage the reproductive system. 2. Vulvar cleansing: men can use mild soap when cleaning the reproductive system. In particular, the foreskin must be cleaned to ensure that there is no dead space. 3. Cleaning the anus and thighs: when cleaning the lower body, not only the reproductive system should be cleaned, but also the anus, scrotum and thighs, otherwise, when sitting friction, may be bacteria or sweat stains will be brought to the reproductive system. Patients who experience discomfort in the reproductive system can consult a medical professional to clean under proper guidance to avoid incorrect methods leading to adverse consequences.