Religiosity and adherence to the principles and values of families and religious factors decrease the domestic violence towards children in families. This study investigates the relationship between religiosity, parental violence toward children in Ahvaz. The study population consisted of all boys and girls (high school students) and their parents. By multi-stage cluster sampling method, 384 were selected as sample. In this study, two questionnaires, the measure of childhood Trauma Questionnaire (CTQ) (Bernsterin, 1995) and the scale adoption of Stark (1988), were used respectively. For data analysis, statistical indicators, standard deviation and regression analysis were performed. According to the study, the overall dimensions of religiosity, parental violence toward children, there was a significant relationship. The results showed that among the religious rituals and the consequences of violence, significant correlations were observed. The results of this study indicate that the level of parental religiosity of domestic violence (physical, emotional, neglect) there was a significant relationship between the parents and children. The multiple regressions showed that the variables most affected by religious conviction have domestic violence towards children. According to the findings, it needs to pay more attention to families for planning and teaching of religion in the family and society.