Introduction: Parental engagement in caring for children is very important and parents must have the ability to care for their children. Health promotion behavior efforts can be made by giving the child a good diet with balanced nutrition. The purpose of this study was to analyze indicators of parental engagement and health promotion behavior in caring for children with avoidant restrictive food intake disorder. Method: This study was a cross-sectional design by simple random sampling with a sample size of 245 participants. The independent variables were parenteral engagement indicators and the dependent variable was health promotion behavior indicators. Data were collected using: a demographic questionnaire, parental engagement questionnaire, and health promotion questionnaire. The analysis used a simple linear regression test with a significance level of α≤0.05. Results: Parental engagement can be influenced by parents' age and health promotion behavior was influenced by the level of parental education, number of children and condition of the child. The results of simple linear regression test obtained significance results of 0.000 (p-Value <0.05), which means that there was a significant influence of parental engagement on promotive behavior. Conclusion: Good parental engagement and health promotion behavior will reduce tension when providing care for children with Avoidant Restrictive Food Intake Disorder. When the stress of parents decreases, parents will be able to be more sensitive to read signals from their children.