Abstract: DHA（docosahexaenoic acid） belongs to ω-3 polyunsaturated fatty acid and is favorable to human health.DHA is associated with the improvement of memory and promotion of retina formation and children′s brain development.The technology for production of raw milk naturally enriched with DHA utilizing coated microalgae powder as feedstuff of dairy cows was introduced.The raw milk produced by the developed technology was naturally enriched with DHA,without necessity of adding external DHA.The milk naturally enriched with DHA possessed the same processing characteristics with normal raw milk and can be used to produce all types of production with natural DHA.