The way to get rid of lice down there is to shave the pubic and anal hair down there, iron and disinfect personal clothing, and use medication (sulfur ointment). 1. Shave the following hair: pubic lice are often parasites in the pubic and anal hair, and lice eggs are mostly attached to the hair follicles, so it is necessary to shave the pubic and perianal hair and incinerate the treatment. 2. Personal clothing ironing and disinfection: personal clothing such as underwear, as well as contaminated towels, bath towels, bed sheets and bedspreads should be sterilized by steaming or boiling water to kill pubic lice and eggs. 3. Medication: Before applying medication, wash the pubic area with hot water and sulfur soap, and then apply sulfur ointment and other medications. 4. In addition, pubic lice disease is mostly transmitted by sexual contact, so it is necessary to treat sexual partners together to avoid repeated cross-infection. After finding lice down there, you should seek medical treatment as soon as possible and under the professional guidance of your doctor.