Galacto-oligosaccharides is a kind of natural functional oligosaccharide, which exists in trace amounts in animal milk. It is excellent prebiotic with good Bifidobacterium proliferation activity. This product is conducive to the establishment of Bifidobacteria flora in non-breastfeeding infants, improves the digestive function of infants and young children, promotes intestinal peristalsis to prevent constipation, and promotes the absorption of calcium in the body to enhance immunity.