In today’s world Juvenile delinquents are rapidly-rising as crime every country either developed or developing country, Ethiopia is one of the less developed countries of Africa also in world, which has certainly faced of the major problems of juvenile children. The objective of this study is to identify the causes among juvenile delinquents (in case of Wolaita Ethiopia Youth correction center). For this study, descriptive and explanatory research design and mixed research approach was employed. The present study was carried out in youth correction center Wolaita Ethiopiawith Sample of 150 included in the study.The sample size is determined based on the formula developed by Yemane (1967).Based on results of the multiple linear regressions there is a positive relationship between the predictors (family, economy, culture, communication, substance, and mortality education access and school attendance) and outcome (effectiveness of CBT) and also there is a negative relation between the predictors the value of beta (peer, broken family and parenting style).Therefore, the all concerned bodies should give due attention to major causes of juvenile delinquency by shouldering the intervention on each problems identified as causes of juvenile delinquency in study area.