Foreskin cracking, possible causes: a. Foreskin due to various causes, such as bacterial or fungal, trichomonas and other infections caused by foreskin, can lead to local inflammation, resulting in skin mucosa damage. Subsequently, there will be local cracking, accompanied by obvious pain, accompanied by redness and swelling and other reactions, which require examination of relevant secretions to further clarify the cause. Second, after the herpes virus infection, can appear foreskin local cracking phenomenon. Mostly accompanied by small blisters distributed in clusters on the foreskin, accompanied by obvious pain, most have a history of unclean sexual contact. If there are blisters on the foreskin with localized fissures, it is recommended to undergo herpes virus related testing to confirm the presence of herpes virus infection. Third, after the fungal infection, can also appear foreskin cracking, accompanied by the foreskin distribution of red spots or white secretions, in the form of patches attached to the foreskin, accompanied by local pain or with local exudation, etc.. This is particularly common in patients who have been taking oral antibiotics for a long time, or in patients with diabetes.