Zinc mainly exists in animal foods, such as beef and mutton, lean pork, animal liver, peanuts, soybeans, carrots and so on. Oysters have the highest zinc content in seafood. According to the determination, the zinc content in animal food is higher than that in plant food. Blood-enriching foods such as red dates, carrots, black beans, red beans, longan, black fungus, black-bone chicken, black sesame, walnut meat, longan meat, chicken, pig blood, pig liver, brown sugar, red beans, etc. , are relatively long, you can also take zinc and blood medicine. If blood is supplemented, it is better to add some medicinal materials, such as Codonopsis pilosula and Astragalus membranaceus.