Background: Human immune deficiency virus (HIV) is one of the world‟s most seriousrnpublic health challenges. However, the expanded access to antiretroviral therapy has led to anrnintense reduction in HIV related morbidity and mortality among children. Despite thisrnremarkable achievement, the attrition of children from ART care has remain challenging.rnObjective of the study: To assess the incidence and predictors of attrition among children onrnantiretroviral therapy in Gedeo zone public hospitals, Southern Ethiopia, 2020.rnMethod: Retrospective follows up study was employed among 254 systematicaly selected rnchildren