This product is manufactured by freeze-dry sublimation technology, so that the original nutrient and color are well kept. In analyses, no residue of organophosphorus chemical and DDT was traced. The product is characterized by ＜6% of water content, 80 mesh in fineness, ＞45% of total sugar, ＞12% of protein, ＞6% of crude fat and ＞3% of wolfberry polysaccharide. It contains 20 amino acids (including 8 necessary amino acids), and more than 30 macro and micro elements as well as bioactive substances such as flavone, sterol, etc.