Its medicinal clinic functions are: antiphlogistic, antalgic, antifebrile, reducing blood sugar, keeping normal ocular function; adjusting nerve conduct and fat assimilation. It also takes part in incretion activity, increases systole to improve immunity, which has sanitarian effect to different ages. Besides, as additive, it is also widely added in milk, milk powder, juice, compound monosodium glutamate and bean products to increase nutrition; it can also be used as surfactant, activity dose, humid dose, emulsion and PH lenitive