摘要:Background : Breastfeeding self-efficacy is a psychological effective factor on initiation and duration of breastfeeding, which according to Bandura's theory, is affected by four sources including performance accomplishments, vicarious experiences, verbal persuasion, and the emotional/physiological responses. We aimed to systematically review the effect of interventions using Bandura's self-efficacy theory on breastfeeding self-efficacy in Iranian mothers. Materials and Methods : In this systematic review, all interventional studies from 1990 to May 2019, were searched in Web of Science, Scopus, EMBASE, Cochrane library and Medline databases as International databases and SID, Magiran and Irondoc as National databases by using English and Persian related.