Modern medical research shows that black-bone chicken is rich in 18 kinds of amino acids and 18 kinds of trace elements, such as melanin, protein and B vitamins. Among them, the contents of nicotinic acid, vitamin E, phosphorus, iron, potassium and sodium are higher than those of ordinary chicken, but the contents of cholesterol and fat are very low. The contents of serum total protein and protein of black-bone chicken were significantly higher than those of ordinary chicken, and the amino acid content of black-bone chicken was higher than that of ordinary chicken, and it also contained iron.