The implementation of food security must begin from the small thing such as family. Because decreasing of food security can causes nutritional’s problem. One of way that can do to increase nutritional is family nutritional awareness concept. The aim of this study is to analyze the effect of intervention of family nutritional awareness to knowledge and attitude as early indicator to measure food security. This research is a quantitative research with quasi experiment as research design, using prepost test one groupdesign approach. The population of this research are mothers who have infants at IbulBesar I village in sub-districts Pemulutan district OganIlir. The sample using purposive sampling consists of 50 respondents. The counseling of 5 aspects (weighing weight regularly, giving exclusive breastfeeding to baby from newborn until six months year old, eating variety of foods, using iodized salt, drinking nutritional supplement based recommendation) are given by trained health counselor. Those aspects are given to small groups every week (each of groups consists of 5 infants mother). Pretest and posttest to mother’s knowledge and attitude about family nutritional awareness would be done before and after intervention. Data were analyzed by pair t- test.The result of this research obtained that average respondents knowledge each indicator has increased 0.72 until 1.28 after intervention. Then, average respondents attitude has increased 0.52 until 2.42 after intervention. Respondent knowledge and attitude about family nutritional awareness indicator have weak and positive correlation value, only variable knowledge using iodized salt and attitude weighing weight regularly have moderate and positive correlation value.