Background: Despite stress urinary incontinence isn't a life-threatening condition, it has the potential to significantly affect various aspects of multipara women's health-related quality of life, encompassing their physical, psychological, and social well-being. The aim of this study: was to assess the impact of nano-teaching on knowledge and practices of multipara women regarding stress urinary incontinence. Subjects and Method: A quasi-experimental research design was used to conduct this study and the study was carried out in the outpatient