Adults with lice on their heads are referred to as head lice, and there are red spots and pimples on the lice bites. The itching is intense, the scalp is scratched and crusted with blood due to scratching, and in severe cases, the oozing of plasma can cause the hair to stick together in bundles and emit a foul odor, which can easily lead to secondary infections resulting in pustules or boils, lymphadenitis, or eczematous lesions. The patient can be treated with medication and general treatment by the doctor. 1. Treatment with medication: head lice patients should shave their heads and apply medication, female patients should use a dense grate to grate out the lice and nits, apply 50% tincture of Parthenol and 25% benzyl benzoate emulsion all over the hair, and wash the hair with hot water and soap on the 3rd day. 2. Family care: adults with lice on their heads should avoid using combing and washing utensils with others, and should develop good cleaning habits, need to wash their heads. Thoroughly disinfect used combs, grates, hats, turbans and pillowcases. It is recommended that adults with lice on their heads should cooperate with the doctor for standardized treatment, and should not blindly use drugs to avoid adverse effects.