It is generally not recommended to use medical alcohol to spray or wipe the penis, glans and other parts of the penis, glans and other parts of the reproductive system to avoid damage to the mucous membranes of the penis, glans and other parts of the reproductive system. Generally medical alcohol has a high concentration and a certain degree of irritation, if it is used to wipe or disinfect the perineum, scrotum, penis, glans area, it may lead to chemical burns on the local mucous membranes of the penis, glans prepuce, or even ulceration, resulting in acute pain, etc., so it is generally not recommended to use medical alcohol to spray or wipe the penis, glans and other parts of the body. In the absence of infection, generally do not need to use disinfectant to the penis, glans for local disinfection, daily use of water for local cleaning can be.