Vehicle inner belt molding and sealing structure using the same

A vehicle inner belt molding to be fitted along an interior of an opening edge of an elevating window in a vehicle. The vehicle inner belt includes: a fitting portion to be attached to a vehicle body; and a sealing lip formed integrally with an exterior side of the fitting portion to be in elastic contact with an inner surface of a window pane of the elevating window. A trim board is attached to a door inner panel of the vehicle and has a downward flange portion protruding from a position interior of an outer end of the trim board. The fitting portion has an upward opening groove fittable with the downward flange portion.