Scalp found lice should be immediately shaved and burned, if female patients, the hair is not easy to cut, you can apply 50% of the tincture of the hundred, 25% benzyl benzoate emulsion or equal amounts of kerosene and vegetable oil mixed, applied to the hair, scalp, and then wrapped with a towel, once a night, for 3 days, the fourth day with warm water and soap to wash the hair, and then use the grate to have died eggs and Remember not to apply pesticides to eliminate lice to prevent organophosphorus poisoning. Patients should also be advised to shower in a timely manner, change underwear, pillowcases, sheets should be boiled and disinfected, replaced with clean lice free clothes, and patients should be advised that if married should be treated at the same time husband and wife.