The invention relates to a solid beverage and the preparation method thereof. In the invention a plurality of novel nutritive additives which are blended in reasonable proportions are adopted to achieve the needed effect. The detailed ingredients and the weight proportions (percent) thereof are as follows: 30 to 40 percents of concentrated lactalbumin, 28 to 32 percent of whole milk powder, 5 to 10 percent of oligermerized isomaltiooligosaccharide (IMO), 3.5 to 5 percent of water soluble dietary fiber, 12 to 19 percent of natural fruit powder, 0.8 to 1.5 percent of medium chain triglyceride, 0.9 to 1.5 percent of premix of vitamins and minerals, 0.8 to 1.5 percent of glutamine, 0.7 to 1.2 percent of L-carnitine, 0.2 to 0.5 percent of conjugated linoleic acid, 1 to 1.5 percent of shark cartilage, 3.8 to 5.9 percent of dimethyl sulfone, 0.2 to 0.5 percent of hexadecadienoic acid, 1.5 to 2 percent of amino glucose and 0.5 to 1 percento of glycoprotein. Made by adopting quality protein and carbohydrate as major preferred materials, and adding various novel functional nutritive raw materials properly, the solid beverage is suitable for the population involving with sports.