Pubic lice can lead to pubic lice disease, and the ointment for treatment can choose benzyl benzoate applicator, malathion lotion and other medicines to relieve the symptoms and so on. 1. Benzyl benzoate application: it is an anti-parasitic drug, which is mainly used for scabies, head lice, pubic lice, body lice, etc. Adverse reactions can be seen in occasional skin irritation, such as burning sensation, or itchy skin, skin rashes, etc. It is forbidden to use for those who are allergic to the drug. 2. Malathion lotion: it is an insecticide, mainly used for the treatment of lice infections, including head lice, pubic lice and so on. Adverse reactions will have a local burning sensation, allergic to the drug is prohibited. 3. Symptom relieving drugs: to relieve the itching symptoms, you can take cetirizine or loratadine orally, and for combined infections, you can apply mupirocin ointment or fusidic acid ointment externally. Treatment of pubic lice should first remove the pubic hair, and then apply the medication, underwear, bed linen and other personal items with hot water, sun exposure routine disinfection, and is recommended to standardize the use of medication under the guidance of a doctor.