Lead-emitting foods can be divided into the following categories:

(1) Foods rich in vitamin C. Vitamin C combines with lead to form insoluble and non-toxic salts, which are excreted with feces. Daily intake of at least 150 vitamin C should be increased to 200 for those with symptoms of lead poisoning. Vitamin C is widely found in fruits, vegetables and leaves of some plants, especially sour fruits such as oranges, lemons, pomegranates, hawthorns and peaches. It is the most abundant in jujube. Apples, strawberries, fresh peppers, cabbage, garlic sprouts, potherbs, tomatoes, cauliflower, etc. also contain vitamin C (2) and are rich in protein and iron. Protein and iron can replace lead and combine with organic matter in tissues to accelerate lead metabolism. Foods containing high-quality protein include eggs, milk and lean meat. Green leafy vegetables and fruits rich in iron include spinach, celery, rapeseed, radish, amaranth, shepherd's purse, tomatoes, citrus, peaches, plums, apricots, pineapples and red dates. (3) Allicin. Allicin in garlic can combine with lead to form a non-toxic compound. Therefore, workers engaged in lead operations who eat a small amount of garlic every day have a 60% lower incidence of lead poisoning than workers who do not eat garlic. In addition, pectin can inhibit the absorption of lead. , Yogurt can stimulate gastrointestinal peristalsis and reduce lead absorption, so it should be given to children appropriately. Countermeasures to prevent lead poisoning: (1) Wash hands frequently and do not suck fingers. According to statistics, 80%-90% of lead in children's bodies is ingested from the digestive tract. Therefore, we must help children wash their hands frequently and avoid thumb sucking, so as to minimize the "lead intake" caused by this normal behavior. (2) Eat less or no high-lead foods such as preserved eggs, popcorn, and inferior canned drinks and foods. Do not drink the first section of tap water overnight. Open the tap water first in the morning and let it sit for 1-5 minutes, because this section of water contains higher lead content. (3) Eat more foods containing calcium, iron, and zinc. In the intestines, calcium, iron, zinc, and lead enter the human body through the same carrier protein, so there is a competition mechanism with each other. Soy products, meat, eggs and animal liver are rich in calcium, iron and zinc. (4) Avoid contact contamination. When food is packaged in food bags, words, paintings, and trademarks on it must be prevented from direct contact with the food. If home walls are decorated with paint, or children's toys are painted with paint, be sure to prevent paint chips from being ingested, because glazes and paints often contain large amounts of lead. (5) To prevent lead dust pollution, residents living on the side of the road or near industrial areas should frequently wipe away dust on the surfaces of tables and chairs with a damp cloth. Do not leave food exposed to the environment for long periods of time. Don't play or stay on the side of the road for long periods of time.