Patients with cervicitis and vaginitis, if pubic lice are present generally apply sulfur ointment for about 5-7 days to kill pubic lice. The clinical cervicitis, vaginitis is a common disease in women, and lice disease in the old society, the female pubic mound area is infested with lice to form a red papule, and very itchy. Lice are the usual lice, a small insect that specializes in the mons pubis, and this condition needs to be treated with some insecticide, namely sulfuric acid ointment. After shaving the mons pubis, you can apply sulfuric acid ointment at night in the mons pubis, generally coated 5-7 days lice can be completely killed, so after applying sulfur ointment lice can disappear for about a week. Patients must be diligent in washing underwear, underwear, and disinfection to avoid recurrent infections. A week after the end of treatment for pubic lice should be followed up, and if there is a recurrence, it is best to change to another drug treatment.