Foreskin rash acetic acid whitening is usually associated with condyloma acuminatum and genital inflammation, as follows. 1. Condyloma acuminatum: mainly due to the infection of HPV virus, that is, human papillomavirus, such as previously had unclean sexual behavior, or have multiple sexual partners, easy to get infected with the virus. The main manifestation is a genital rash that is cauliflower-shaped, with a rougher surface, and may be white in color, or skin-colored. If it is determined that the infection is caused by human papillomavirus, it should be injected with interferon or surgically treated as soon as possible according to the doctor’s prescription. 2. Inflammation of the genitals: If the man himself suffers from phimosis, glans or seminal vesiculitis, it may appear positive in the acetic acid test. If the male foreskin rash do acetic acid white suspected warts, need to do other tests for further diagnosis, including histopathological examination, etc., after diagnosis under the guidance of the doctor treatment.