To provide a high floor type steel structure foundation beam structure capable of shortening construction term and reducing construction costs without requiring soil construction work and concrete placing construction work and having durability for external force such as earthquake.

This high floor type steel structure foundation beam structure has a foundation pile driven into the ground, a cylindrical steel-made thin plate permanent form fixed to a pile head of the foundation pile by concrete and a reinforcing steel basket and being larger than outside diameter of the foundation pile, an anchor bolt fixed by concrete in the cylindrical steel-made thin plate permanent form, and a steel structure in which a base plate is fixed to a lower end. The base plate and an anchor bolt are tightened, and a steel structure foundation beam is directly connected with the steel structure so that it is positioned at a level having predetermined height from the ground.