This experiment uses carrot and soybean as the main raw material,adopt spray-dried method to produce solid drink.And in this paper we mainly study the optimum conditions of the processing procedure and technological parameters,the ratio of main materials,the stability and solubility of the product,and the loss of nutrition and the preservation of product,etc.Results indicate:In proportion 100:50:15 of carrot to soybean to milk powder,this combination might produce favorable sensory characteristics(such as the colour,aroma and taste) for the product.