To provide an assembled article support stand for a desk top enabling a desk top or table surface to be effectively used.

In this article support bed 1 for the top of a desk, a side plate 3, a base plate 5 and a top plate 4 surface are formed by constructing two folding grooves 2 on the right and left sides of a central part of a plate material surface made of synthetic resin material, and the base plate 5 surface is provided with side support plates 7 formed by folding grooves 2 with plural cuts 6, and an intermediate support plate 8. The top plate 4 surface is provided with plural engagement groove holes 9 where the upper ends of the side support plates 7 and the intermediate support plate 8 provided on the base plate 5 surface are fitted when they are bent up. Thus, the knockdown article support bed for the top of a desk is constructed.