If we use hot water soap to bathe, and often change clothes, pay attention to environmental hygiene. FOR your situation, you can ask for drugs。 Shaving head and boiled all the clothe in boiling water or drop the clothes. It is necessary to shave the hair in the hair. Because the lice is mobile and active, it can survive for 3-5 days after leaving the body, in order to avoid cross-infection between characters.