The raw material of Shuda wildly pure oil of walnut stem from Shangri-la of DiQin Tibetan ethnic autonomy YunNan province in China, was well-known as fairyland in the world. Walnut have been growing here for 800 years and contain plenty of botanical protein, and unsaturated fatty acid that reach 90%, many natural vitamin, mineral micro element. and biologically active ingredient. Among them the content of sub-oil acid is 58%, flax acid is 9%,both is main part of body tissue and take part in compounding ,superceding of phosphorus-fat, and then convert into life active factor. DHA and EPA(being commonly called gold of brain)are importantly healthy food serving as organic function .