Objective: The aims of this study was to analyze the relationship of function, knowledge and attitudes of families with the nutritional status of stunting children.

Method: The design of this study used a cross sectional approach. The population were the mothers of undre-five children with stunting. The number of samples were 129 respondents obtained by purposive sampling. The dependent variables in this study were family function, knowledge, and attitude, while the independent variable was stunting nutritional status. Data were collected using a questionnaire. Data were then analyzed using the Spearman rho test with a significance level of α <0.05.

Results: The results showed that there was no relationship between family function and nutritional status of stunting children (p = 0.553, r = 0.053), but there was a relationship of knowledge (p = 0.004, r = 0.249) and attitude (p = 0.000, r = 0.637) with the stunting nutritional status of under five children.

Conclusion: The occurrence of a under-five children with a stunting nutritional status is determined by the caregiving in the family, the nurses need to develop a counseling program about child nutrition in the family as an effort to prevent the occurrence of a stunting in under-five children.

Keyword: family functions, knowledge, attitudes, stunting, under-five children