The white foreskin should be treated according to the cause of the disease, if it is a physiological phenomenon, generally pay attention to hygiene will gradually improve; circumcision should be based on local medication. 1. Physiological phenomenon: if there is a long foreskin does not pay attention to hygiene, the foreskin dirt secretion stimulation can also cause the foreskin white, you should be diligent to turn over and wash the foreskin, cleaning secretions, diligent change of underwear, life and diet regular, most of them will be gradually recovered. 2. circumcision: mold candida infection caused by circumcision, you can use clotrimazole ointment, terbinafine cream treatment; bacterial infection caused by glans, you can use erythromycin ointment, mupirocin ointment and so on. The white foreskin may have other reasons, need to go to the hospital for examination, clear cause of the treatment as prescribed by the doctor, do not self-medication.