Aim: This study aims to explore the potential of sublingual tablet of Mirabegron for the treatment of overactive bladder. Overactive problem is widely seen in geriatrics patients and Mirabegron can be alternative choice of drug to treat the syndrome.Materials and Methods: Mirabegron Sublingual Tablet formulated by direct compression method which is cost effective and quick process. Different polymers like mannitol, SSG, MCC PH 101, citric acid monohydrate, low substituted hydroxycellulose, talcum, aspartame, β-cyclodextrin, magnesium stearate used in different ratio.