NUTRITIONAL STATUS OF CHILDREN AGED UNDER 24 MONTHS AND MOTHER'S PRACTICE ON COMPLEMENTARY FOOD IN QUANG NGAI AND PHUTHO PROVINCE A cross-sectional study was carried out with 925 mothers and their children aged 6 - 23 months in 8 communes of Tư Nghĩa and Nghĩa Hành district, Quang Ngai (465 pairs of mother and child) and 8 communes of Thanh Thuy and Lam Thao district in Phu Tho (460 pairs of mother and child). The results showed that prevalence of malnutrition in Quang Ngai and Phu Tho with underweight was 13, 4% and 12, 2%; stunting was 23% and 24, 8% and wasting was 3, 9% for both provinces respectively.