The utility model provides a tool type multifunctional discharging platform device which is used for construction of transportation inlet and outlet channels of floor building materials. The device comprises a main beam which is horizontally and fixedly arranged and extends out of the floor by one segment, a plurality of secondary beams perpendicular to the main beam are arranged on the external extending segment of the main beam, and a platform for supporting is jointly composed of the main beam and the secondary beams. A scaffold floor is adopted by the platform for peripheral sealing, protective barriers are arranged on the two sides of the platform, and foot blocking plates are arranged at the bottoms of the protective barriers. A pre-buried suspending ring and a rope clamp are arranged at the position, exactly facing and above the main beam, of a cast-in-place floor plate, a steel wire rope penetrates through the pre-buried suspending ring and the rope clamp, and the extending segment of the main beam is tightened. The tool type multifunctional discharging platform device is simple in structure, convenient to install and use, capable of being repeatedly used, higher in safety and reliability, and capable of improving construction efficiency.