Lice on the lower body may be pubic lice, which is an infectious disease. It is recommended to remove the hair, shave under the guidance of a doctor, apply topical medication such as sulfur ointment, etc., and take oral medication such as antihistamines if necessary. 1. Remove the hair: Pubic lice are small insects that live in the genital area and can be transmitted through sexual contact. It is recommended to remove the localized hair, which can reduce or eradicate the eggs and bodies attached to the pubic hair. 2. Topical medication: Go to the hospital for relevant examination, combined with the doctor’s advice to give the appropriate medication, such as sulfur ointment, tincture of 100 local application, can kill pubic lice and eggs. 3. Oral medication: localized erythematous masses, accompanied by obvious itching, affecting daily life and sleep at night, oral antihistamines such as loratadine and cetirizine, and topical fluticasone propionate cream can help improve the symptoms if necessary. If you find pubic lice, or related symptoms, it is recommended to go to the hospital as soon as possible, and follow the doctor’s instructions for medication, to avoid causing other adverse consequences.