The invention relates to a flavorful maltitol syrup which comprises maltitol syrup, high sweetener, food flavors, food pigment, potassium sorbate and color fixative, and the mass proportion of the same is 900-1100:0.8-2.8:0-5:0-1:0.05-10:0-0.5. The flavorful maltitol syrup is prepared by the following steps: the high sweetener, the food flavors, the food pigment, the potassium sorbate and the color fixative are added to the maltitol syrup according to the mass proportion, are stirred uniformly and are pasteurized and filled. The preparation method is simple to operate, has low cost, is suitable for industrialized production, and the flavorful maltitol syrup has the same sugar content as cane sugar, is convenient to use, enriches the choices of consumers for sugar and particularly satisfies the sweet taste requirements of diabetic patients and the like avoiding eating sugar.