The phenomenon of lice on a child’s head, also known as head lice disease, can be alleviated through hygiene, medication and other methods. 1. Hygiene and cleanliness: after a child has lice on his head, he can use a fine-toothed comb or a dense grate to grate out the lice and nits, shave his hair if necessary, pay attention to personal hygiene, wash his hair diligently, change his clothes diligently, and tan his bedding diligently, so that lice and nits can be eliminated completely. 2. medication: if the number of lice and nits is large, in addition to pay attention to local cleanliness, you also need to cooperate with the doctor to choose to use medication, and commonly used topical insecticides, including pyrethroids, permethrin, etc., for the majority of the head lice can play a role in killing. Lice, as a parasite, may be transmitted by contact between people or through objects, so patients should pay extra attention to hygiene during the period of illness. Children with lice on their heads are advised to visit the hospital and follow the doctor’s instructions for treatment.