Lice on the head can be removed by external repellent as well as topical insecticidal drugs. 1. external repellent: lice on the head before treatment, first of all to use the external removal method of treatment, such as shaving the head, can be removed from the hair, the lice living environment destroyed, and then the hair will be burned, completely will be lice and nits killed off, if you do not want to shave your head hair, you can every day with a close-toothed comb as much as possible to completely remove the head lice and lice nits. 2. external insecticidal drugs: external insecticidal drugs, including tincture, tincture has insecticidal, anti-itching effect, can effectively head lice completely eliminated. Before use, you need to pay attention to the use of warm water for dilution, and strictly prevent the drug into the eyes, once into the eyes need to use a lot of water to rinse, the use of the process, the use of medicine parts of the skin may appear a slight sense of irritation, the drug needs to be used under the guidance of a doctor. Lice on the head, during the treatment period the patient’s clothing, towels, hats, combs, bedding, etc. must be washed and dried at high temperatures to ensure that there are no head lice and nits left, thus reducing the chances of recurrence. And pay attention to avoid close contact with people who live with you, and at the same time, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor reasonable use of medication, do not self-medication.