The main cause of lice is infection caused by contact with patients' heads, combs, hairpins, hats and headscarves. It can also be caused by not cleaning hair under unsanitary conditions, and providing a good environment for the generation and reproduction of grease, sweat and soil lice.

Ways to get rid of lice:

1. First, we must find out the source of infection. Generally speaking, there are several sources: 1) Head lice occur more in girls than boys, which is the main source. Most head lice are not cleaned in time because of frequent rain, and long hair is more frequent than short hair; Insufficient cleaning and hygiene of hair; Wrong time to wash your hair: for example, you often wash your hair on rainy days or at night, and you don't dry it or blow dry it in time; Has been produced on fur or feather animals; 2). Other lice parasitize the human body. Mainly from the long-term wet and dark environment; 3). Others, fur or feathered animals, fluffy toys, etc.

2. The source of infection must be cut off immediately after being found out;

3. What is already on children's heads should be treated as follows: 1) All hair must fall off and a razor must be used to clean the scalp surface; 2). Shaved hair must be treated harmlessly. Burn it all or boil it with boiling water or steam for more than ten minutes; 3) All children's clothes, towels, and fluff articles must also be treated harmlessly. Including cleaning, high temperature, sun exposure, drying, etc.

4. Parents should learn and study the knowledge and relevant information related to lice, and actively prevent them;

5. Educate children to pay attention to cleanliness, develop good hygienic habits and avoid recurrence.