It is not uncommon for children to be found to have excessive levels of lead in their blood during physical examinations, and even to suffer from lead poisoning. With the development of industrialization, industrial waste gas, car exhaust and discarded batteries contain a lot of lead elements. These lead elements will be attached to children’s hands through air, water, soil, dust, etc. as well as in direct contact, so washing hands and wearing masks can minimize the harm of lead elements. In daily life, stay away from foods with high lead content, such as popcorn, French fries, puffed eggs, canned foods and puffed foods. Because the apparatus for making these foods, is an alloy product containing lead. Lead has a very low melting point, and during the heating process of the food, a large amount of lead ions will enter the food. In the process of making puffed eggs, the raw materials contain lead oxide and lead salts, and lead enters through the eggshell. The traditional method of making puffed eggs contains very high amounts of lead, and even if only a very small amount of puffed eggs is given to children, the intake of lead is already more than five times the daily allowable intake for a 2-year-old child. Canned products are soldered with tin containing lead in water, and when stored for a long time, the escaped lead will definitely enter the food, so for the health of children, it is better not to eat canned food. In addition to food, in daily life, children should also try to stay away from high lead environment, such as roadside, bus station, gas station, auto repair shop, battery factory, tin platinum workshop and other places. Because the air in these places contains a lot of lead elements, which will cause direct harm to the body when inhaled by children. In life, besides trying to stay away from the environment containing lead and not to eat food containing lead in water, you can eat more food with lead detoxification function, such as tomato, celery, peach, winter melon, etc. Chinese herbal medicine for lead detoxification: Winter melon skin 12g white poria 10g raw astragalus 10g adzuki beans 12g new mung beans 15g raw licorice 10g one dose a day, decocted with water and drink several times.