Lice on the head is clinically defined as the presence of head lice disease, which can be improved by choosing medication, physical therapy and strengthening life management. 1. Medication: Head lice patients should shave their heads and apply medication. Under the guidance of doctor, apply benzyl benzoate application, tincture of Pepto-Bismol and other drugs, which can kill head lice. If accompanied by obvious itching and red macules, you can apply mometasone furoate cream, triamcinolone acetate cream and so on. 2. Physical therapy: patients with head lice disease also need to kill head lice or nits on clothes and pillows through physical methods such as boiling and freezing while on medication to avoid secondary infection. 3. Strengthen life management: lice disease is an infectious disease, should be prevented and treated, avoid contact with patients, strict disinfection of pollutants. Patients also need to strengthen the management of life, you can choose fine-toothed comb or grate combing hair, the hair on the head lice or nits removed. It is also necessary to develop good hygiene habits, washing hair or bathing diligently, changing clothes as well as bedding. Patients with head lice need to follow the doctor’s instructions to use medication, not blindly use their own medication, so as not to cause scalp irritation.