Auricularia auricula not only has all the nutrients of Auricularia auricula, but also contains rich trace elements such as iodine, calcium and iron, as well as a variety of amino acids and vitamins. Auricularia auricula, also known as longevity vegetable, is rich in various nutrients needed by the human body. It not only contains all the nutrients of terrestrial edible plants, such as protein, vitamins, cellulose, calcium, iron and other trace elements, but also contains more than 20 nutrients unique to the ocean, such as alginic acid, fucoidan, fucosterol EPA (unsaturated fatty acids) and so on. Known as "longevity vegetables" by the Japanese and "longevity vegetables" by European and American countries.