Selenium deficiency in the body can usually be supplemented through food or medication, but both food and medication selenium supplementation require a certain process and usually do not have immediate results. Selenium deficiency may lead to stunted growth, dry hair and allergic dermatitis, among other symptoms. Common foods rich in selenium are meat, eggs, fruits and vegetables, soy products, cereals and seafood, etc.: 1, meat: the higher selenium content in meat are lean pork, lamb, etc., in addition, pig kidney, duck liver and other offal selenium is also rich; 2, eggs: quail eggs, goose eggs and eggs are also rich in selenium, even more than meat, supplement eggs can also improve the body’s selenium Content; 3, fruits and vegetables: many fruits and vegetables also contain some selenium, such as alfalfa, capers, garlic, mushrooms, apples, etc.; 4, soybean products: soybeans and soybean products contain a lot of selenium, in addition to green beans, kidney beans, peas, etc.; 5, seafood: seafood is very rich in selenium, common are Spanish mackerel, sea shrimp, striped bass, sea eel, scallops, oysters, etc.; 6, cereals. Such as oats, buckwheat, sorghum, etc., also contains a relatively rich selenium element. Usually, people can supplement the selenium needed by the body through a reasonable diet, but if the diet is unbalanced or poor dietary conditions cause selenium deficiency, can be supplemented by eating some drugs containing selenium, such as selenium yeast tablets. However, both drugs and food should be in moderation, and excessive supplementation of selenium may cause selenium poisoning and other related symptoms.