Prevalence of anemia in children is 36.7% (belong mild levels in Public Health Significant - PHS), Bac Kan 73.4%, An Giang 17, 0%, Bac Ninh & Dac Lak 25.6%; Hanoi 32.5%, Hue 38.6%; Anemia prevalence is highest in infant aged 6 - 12mo (56.9%), then reduced: 45% in 12 - 24 mo, 38% in 24 - 36mo, 29% in 36 - 48mo, and 19.7% in 48-59 mo.