1. The floor support board can hold some electrical appliances and pipeline wires. It is the structural layer of the house and the pipeline line. It can increase the height of the floor or reduce the height of the floor, which brings a very large flexibility.

2. In the construction stage of the building, the floor slab can be used as a continuous lateral support of the steel beam, which improves the overall stable bearing capacity of the steel beam;

3. In the use stage, the overall stability of the steel beam and the local stability of the upper flange are improved;

4. The appearance is neat and beautiful.