A wheeled tail platform comprises a platform, a pair of connecting rods, and a wheel assembly. The platform has an indent formed on its downside for positioning on a cross bar or a rear axle of the stroller frame. The wheel assembly is pivotally connected to the platform for supporting the platform at rear end. The connecting rods each has one end pivoted to a pair of rear wheel struts of the stroller frame respectively, and another end pivoted with a front end of the platform, so as to allow the platform to pivot and collapse upward and close to the rear wheel struts. A pair of grab-handle armrests is connected to a pair of handle bars of the stroller respectively for grabbing by the occupant's hand during standing on for traveling around. Through the connecting and arrangement as being depicted, the wheeled tail platform of the present invention is useable for making funs safely and collapsible with the stroller frame conveniently.