Appearance: yellowish brown or yellow ingredients: including beef shanks ketone, peeling hormone testosterone, rue glucoside, different TongPi glucoside, umbellate flowers inside the ester etc. Properties: blade was huddled up and broken, the complete ovate or wide ovoid, *3 cm long *****1 cm wide, apex, pointed, serrated edge have, sometimes making irregular splitting, base cut form, circular or heart shape: takes green, a luster, and along the veins of the place has the small chopped MAO, was a shallow, leaf, yea, small pulse interweaves mesh, dense fine life. Qualitative fragile brittle. Smell, taste fresh and micro bitter. To complete, and the leaf thickness, color yellow green is preferred attending function: evacuation wind hot, nourish the lung dry, clear liver bright eye. Used for wind hot cold, lung hot cough, dizziness, headache red eyes dizzy flowers, etc. A health care function of mulberry leaves with extract, its preparation methods and applications. The mulberry extract contains flavonoids, mulberry leaf polyphenols, mulberry leaf polysaccharide, DNJ, GABA and so on many kinds of physiological activity material, used to prevent cardio-cerebral vascular disease, hyperlipidemia, obesity, diabetes and aging resistance. The extracts to the late frost mulberry silkworm or before the branches of 1 ~ 3 a new leaves processing of mulberry leaf powder as the raw material, dry in the shade, crushing, respectively for are: butanol, *0% ethanol and warm water soaks raises, and spray drying.