Pubic lice are transmitted by contact with the parasite. The removal of pubic lice first requires the removal of all pubic hairs from the perineum, and it is recommended that the pubic hairs be burned off. After the removal of pubic hair, local rubbing of insecticidal drugs, such as Lindane lotion, sulfur ointment, etc., or Chinese herbal medicine Baibu Cao to wash the vulva, is required. But these drugs need to be used reasonably under the guidance of a doctor, so as to be safer, so as not to use drugs improperly will stimulate the local skin cause discomfort. It is not recommended to have intercourse after having pubic lice, because it can be transmitted to each other through sexual life. It is recommended that both parties be treated at the same time when having sex. At the same time sheets, covers, underwear, etc. need to be cleaned and disinfected in a timely manner, it is best to bathe regularly, pay attention to indoor hygiene, it is recommended to wear loose and breathable underwear, usually pay attention to vulvar hygiene. Pubic lice can cause local skin itching, it is best not to scratch often with your hands, so as not to cause local skin damage caused by infection, if the skin infection is best external rubbing erythromycin, while suggesting local disinfection with iodine vapor.