Children with lice soaked in vinegar can have a certain bactericidal effect, but it is not possible to kill them all, and the residual eggs can continue to hatch into adult lice. Therefore, it is generally recommended to choose a reasonable method of treatment for lice disease. Long lice is usually due to poor local hygiene, lice are mainly attached to the human hair cadre, can cause local skin itching, discomfort, the most simple and effective way to remove them is to shave off all the hair. However, the removal of hair will affect the aesthetics, may lead to low self-esteem of the child, at this time can also take drugs to remove lice, soaked in 50% alcohol, formulated into a 25% ethanol solution of lice directly for local cleaning, can effectively remove the lice and eggs; or only use the decoction of lice after the water solution to wash hair, wrapped for about half an hour, rinse with water can be used for 3-4 days in a row. At the same time should be taken off the clothes, sheets, covers for high-temperature boiling and washing to avoid the re-emergence of lice. Daily life should be diligent in washing hair, bathing, changing clothes, sheets, bedding, keeping the skin clean and dry, can effectively prevent the appearance of lice.