Onion contains a wealth of proteins, minerals and vitamins, in particular zinc, phosphorus, selenium, calcium, carrots and lysine, acrylic acid, azinic acid, and various trace elements and amino acids, which are ideal for people ' s lives. Onion is a nutrient-rich wild vegetable that can normally be eaten as wild vegetables, containing not only multiple vitamins, but also minerals and trace elements, which can absorb nutrients but also relieve high blood pressure, healthy stomachs and digestives。