Iodine cannot treat pubic lice and nits. Iodine mainly contains alcohol, can be used for skin surface and wound disinfection, sterilization, on the pubic lice and lice eggs have no killing effect; pubic lice is a parasite, mainly in the male and female genitalia and anus around the skin surface with hair, a large number of eggs attached to the pubic hair, reproduction is very strong, the infection is particularly fast. Pubic lice and lice eggs parasitized in the human pubic skin surface has a strong vitality; clinical treatment of pubic lice and lice eggs, mainly scraping genitals, anus around the pubic hair and body hair, local external use of tincture of Bacopa monnieri and other medications, the use of intimate apparel, sheets, towels, etc., should be high-temperature disinfection, sun exposure, thoroughly kill pubic lice and lice eggs, to avoid the re-emergence of the pathogenic. Pubic lice disease should go to the hospital in time to consult the physician’s guidance, the above drugs should be used in accordance with medical advice.