Urinary incontinence (UI) has considerable impacts on quality of life (QOL), and the incidence of UI increaseswith age. UI is classified based on pathophysiology into stress urinary incontinence (SUI), urgency urinary incontinence (UUI), overflow incontinence and functional urinary incontinence. SUI alone is the most common amongfemales with UI, followed by mixed urinary incontinence (MUI) of SUI and UUI and UUI alone. In this article,the pathophysiology and treatment of UI are described and discussed.