There are two possibilities for men with white substance on the glans: one is a mycotic infection caused by glansitis; the other case may be a long foreskin that is not cleaned in time, forming a large amount of foreskin scale. For men with white substance on the glans, it is recommended that you should turn it over and wash it clean every day so that the white substance will gradually decrease. If there is white substance and itching, this white substance resembles membranous material, tofu slag-like changes, it may be a mold infection, it is recommended to clean it and use fluconazole, Dacronin in local application, usually 3-5 days can return to normal. Usually must pay attention to turn the foreskin clean to prevent re-emergence.