Pubic lice can cause pubic lice disease, which can be treated with topical medications such as benzyl benzoate applicator, or with products such as sulfur ointment and petroleum jelly. 1. Benzyl benzoate applicator: the drug belongs to insecticides and antiparasitic drugs, which can treat pubic lice, head lice, body lice, scabies and other diseases. Adverse reactions are local irritation, burning, itching, rash, etc. Those who are allergic to the drug are forbidden to use it. 2. Sulfur ointment, petroleum jelly: sulfur ointment is a disinfectant, can treat pubic lice, scabies, mites and other diseases; petroleum jelly can make pubic lice asphyxiation, but no killing effect on the lice eggs, the patient needs to remove pubic hair before using the drug, disinfection of intimate apparel, but still have good results, non-toxic and non-irritating, suitable for pregnant women, infants and young children patients. Besides, patients with pubic lice disease can also take antihistamine drugs such as loratadine to stop itching. It is recommended that patients suffering from pubic lice disease go to regular hospitals in time for examination and treatment, and the drugs need to be used under the guidance of a professional doctor.