Pubic lice are usually referred to as pubic lice disease, and patients with pubic lice disease can be considered cured after treatment, usually within a month without recurrence. Pubic lice is a contagious skin disease caused by the bite of pubic lice that live in the pubic hair area of the human body. Patients will experience intense itching, accompanied by red rashes, breakouts and other symptoms. The principle of treatment is to kill pubic lice and their eggs. Before treatment, it is best to remove the pubic hair and keep the local skin clean and dry. Under the guidance of the doctor, use the tincture of bacitracin or benzyl benzoate emulsion externally, and for severe pubic lice disease, it is necessary to use strong insecticides, such as lindane cream, malathion emulsion and so on. The use of drugs need to follow the doctor’s instructions, avoid self-medication. Patients who are sexually active are advised to undergo examination and treatment at the same time as their sexual partners, and avoid sexual intercourse during treatment. After treatment, if there is no recurrence within one month, it is considered cured.