Silkworm pupa is one kind of new nutrient source of human being. It is the only one insect food authorized by the Ministry of Health of China. Silkworm pupa has high nutritive value with rich 18 kinds of amino acid which is the must composition to compound the male’s prostaglandin, improving male’s sexual function. Beside, these rich amino acids can also reduce the blood viscosity, improve the blood circulation, enhance the blood cell’s vitality, enhance the memory and thinking ability and promote the lipid-soluble vitamin’s digestion and assimilation.