Effort to reduce malnutrition governments make Keluarga Sadar Gizi (Kadarzi). Kadarzi in Depok 2011 still low (12,7%) and the prevalence of underweight, stunting, wasting are respectively 7,89%, 7%, 4,75%. This study aimed to determine the dominant factor for nutritional status of children based on Composite Index of Anthropometric Failure (CIAF). Research using secondary data survey Kadarzi 2011. The survey was conducted using a cross sectional study in 11 districts. Samples of 1,176 families who have children youngest aged 6 - 59 months. The variables studied were the nutritional status, Kadarzi behaviors, Kadarzi status, children characteristics, and family characteristics. Results showed prevalence of growth faltering (31%). There are two variables that influence nutritional status, child’s weighing (p value = 0,003) and mother’s education (p value = 0,034). Multiple logistic regression analysis show child’s weighing as a dominant factor to the nutritional status of children. Children who are weighed not regularly are more risky 1,5 to get growth faltering then children who are weighed regularly. CIAF is useful to determine prevalence of undernutrition clearly and its solution. Counseling and promotion about child’s growth monitoring are required as early detection of growth faltering.