Purpose: This study is to examine the effects of learning module program on the mothers’ ability to adapt new foods, feeding styles, and self-efficacy to their children with Avoidant Restrictive Food Intake Disorder (ARFID).Methods: Quasi-experimental design without random sampling is used to evaluate the effectiveness of learning module program. There are 15 mothers take care of children with ARFID as experimental group given learning module program. The experimental group is conducted four meetings in four weeks. Each meeting has an effective 50 minutes. Fifteen mothers of control group are conducted home-visit by presenting the education of health to them. The control group intervention is performed two meetings. Meanwhile, the experimental group conducts pre-test and post-test. The data are analyzed by means of descriptive statistics, Chi-square test, Fisher’s exact test, Mann-Whitney U test and SPSS/WIN 22.0. Results: The participants of experimental group have showed bigger surge of new foods adaptation (t = -2.973, p < 0.003), feeding style (t = -4.646, p < 0.001), self-efficacy (t = -3.652, p = 0.001) than control group has.Conclusion: The findings indicated that the learning module program is deemed effective to improve mothers’ ability to adapt new foods, feeding styles, and self-efficacy to their children with ARFID.