The utility model relates to a snap-in scaffold which comprises a connecting rod and a curved clamping head connected with one end of the connecting rod, wherein the curved clamping head comprises a first side wall, a second side wall and a bottom wall connected with the end of the first side wall and the end of the second side wall; a U shape is defined by the first side wall, the second side wall and the bottom wall; the first side wall is connected with the connecting rod; and the second side wall is provided with at least one screw hole which is internally provided with a fastener in a screwed manner. The snap-in scaffold can be firmly clamped on a building to be constructed, so that full establishment from the ground can be avoided, labor force is saved, the scaffold is prevented from being directly welded on the surface of the building to be constructed, and paint is protected; and furthermore, a lifting frame can be moved by lifting, so that the snap-in scaffold is convenient to use.