Pubic lice is a parasitic infection and should be killed first in the treatment. Pubic lice are characteristically attracted to the hair shaft and can be clutched by claws. 1. The environment in which pubic lice live should be removed. For patients with pubic lice, it should be recommended that the pubic hair be shaved clean to prevent lice from having living conditions. 2, the use of insecticidal drugs, such as the most commonly used 20% sulfur ointment, which has the effect of killing insects and stopping itching. The actual fact is that you will be able to get a lot more than just a few of the most popular and popular items on the market. If so, a second medication is required, and if local itching symptoms do not appear again, it is proven to be cured. If there is still itching, it is necessary to check if there are adult lice that have not been completely killed. If so, a second dose of medication is required.