Reinforced concrete hollow laminated slab floor system

The utility model discloses a reinforced concrete hollow laminated slab floor system which comprises a prefabricated bottom plate made of reinforced concrete, a plurality of filling weight reduction bodies arranged on the prefabricated bottom plate and distributed at intervals, and a cast-in-place concrete laminated layer formed above the filling weight reduction bodies in a cast-in-place mode. And the cast-in-place concrete longitudinal and transverse ribs are formed among the plurality of filling weight reduction bodies in a cast-in-place manner. According to the utility model, the prefabrication rate and the assembly rate of a building can be greatly improved, the wet operation intensity of on-site construction workers is reduced, the construction is safe and environment-friendly, the requirements of large span and large load are really met, the structure is safe and reliable, the construction is convenient, the cost is reduced, the efficiency is increased, one-time pouring is realized, and the mold-free a