Incomplete treatment of pubic lice in men is prone to recurring episodes and requires a combination of multiple treatments and repeated treatments to effectively alleviate the appearance of pubic lice. Specific therapies include removal of infectious agents, localized treatment and life care. 1. Remove the source of infection: shave all pubic hair, avoid non-fixed sexual partners, and pay attention to the disinfection of toilet sheets in hotels. 2. medication: itching, local red papules can be used 10% sulfur ointment and other external rubbing, can also be used 30% of the tincture of thymus to relieve tingling and other symptoms. 3. Life care: maintain good daily habits, change underwear, wash private parts. Regular work and rest, reasonable diet to strengthen the immune system. Avoid dark and humid environments, and clean your daily living environment.