The formation of nutritionally balanced milk base and selection of fruit supplement for child dairy products for children older than one year have been achieved. The components for child bio-products with high content of protein, including milk powder, whey protein concentrate, inulin, sugar or fruit supplement, have been established. The protein content of final product was 3,6-4,0 %. "Pear" and "Apple-carrot" have been determined the most appropriate natural supplements.