The white color of the penis is divided into two main categories of causes. The first category is skin mucous membrane diseases, which usually include vitiligo, psoriasis and mycotic infections, each with its own characteristics, mycotic infections are often accompanied by itching, flaking and peeling of the skin. The second major category is inflammation, which is usually accompanied by thickening of the skin and irregular changes; vitiligo is usually accompanied by pigmentation loss showing irregular patches. The second major category is the inflammatory category, usually due to poor personal hygiene or long-term chronic inflammatory stimulation and repeated alcohol consumption, staying up late, high tension leading to changes in the foreskin and glans, common is circumcision, usually manifested as excessive foreskin scale, local itching or in addition to skin mucosa white rash. The majority of this situation does not require special treatment, daily personal hygiene, with water to wash the foreskin scale can be solved, when necessary, the application of external drugs, such as low concentration of potassium permanganate solution cleaning or erythromycin eye ointment can be used. There is also a case of lichen planus that is caused by high mental stress and insomnia, where the skin is transparent like wax paper in addition to white, and the cause of these diseases can be found with careful analysis.