Light truss floor support plate

The utility model discloses a light truss floor support plate which comprises a floor support plate and a steel bar truss clamped in the upper end of the floor support plate, and a limiting piece is clamped between the floor support plate and the steel bar truss. The floor support plate comprises a plate body, the upper end of the plate body extends to the interior to be provided with a plurality of sets of evenly-arranged clamping grooves, steel bar truss fixing grooves are formed in the middles of the interiors of the clamping grooves, and limiting clamping grooves are formed in the two sides of the interiors of the clamping grooves; the limiting piece comprises a limiting plate, a steel bar truss limiting groove is formed in the middle of the lower end of the limiting plate, and limiting protruding blocks are arranged on the two sides of the lower end of the limiting plate. The steel bar truss is inserted into the clamping groove, limiting and clamping can be conducted during installation through the arran