If the genital skin is broken, the possible causes are: a. The presence of bacterial infection, which can cause skin mucosal erosion and breakage, can appear broken skin, mostly accompanied by local redness and swelling, increased secretions, accompanied by infection of the urinary tract, and also accompanied by frequent and urgent urination and other symptoms. Local bacteriological tests are needed and anti-infective drugs are used for symptomatic treatment. Herpes virus infection can produce localized blisters, and the rupture of the blisters can lead to localized skin rupture. This is accompanied by local vesicles and oozing. This situation is most often caused by unclean sexual contact with the herpes virus, need to be tested for herpes virus, after the diagnosis to use antiviral drugs for treatment. If there is a local crush injury, blow injury or excessive masturbation, it can lead to local skin breakage. Localized skin lesions, fresh bleeding, or redness and swelling of the skin, and localized blister formation can occur. There is usually a clear history of injury. Local iodophor solution is needed for disinfection and infection prevention.