Pubic lice are parasites that live on human hair and are about 1 to 3 millimeters long and wingless. It is called pubic lice because it is commonly found in the pubic area. Pubic lice are spread mainly through sexual contact, direct contact and indirect contact. Sexual behavior often creates an opportunity for pubic lice to seek out and infect new hosts. The disease can also be transmitted if you share a bed with a person who has pubic lice and are in close contact. The disease can also be transmitted if you come into contact with items contaminated with pubic lice, such as bed sheets, towels, and toilet bowls. Symptoms of being infected by pubic lice include the following: 1. Itching of the skin. 2. 2. There will be skin papules. 3, A greenish gray spot 0.2 to 2cm in size can be seen. It is usually itchy, and over time there will be papules and discolored spots. If this disease is found, both husband and wife can shave the pubic hair with a razor at the same time, burn it, and then boil the underwear, so that it can be eradicated and prevented from re-infection. The probability of sexual transmission of pubic lice is more than 90%. If one of the partners is infected, the other may also be in the incubation period, so in order to avoid incomplete treatment, it is recommended that both partners be treated at the same time. Clothes, bedspreads and other items that come into direct contact with the body must be washed in boiling water for about 10-20 minutes.