Floor carrying device capable of being laid in aligned mode and used for building assembly and implementation method of floor carrying device

The invention discloses a building assembly floor carrying device capable of being laid in an aligned mode, the building assembly floor carrying device comprises a carrying mechanism and a moving mechanism, the transverse end of a floor is clamped into a caliper, the longitudinal end of the floor is placed at the upper end of an inclined plane, and the position of a sliding rail in a side plate is moved through the length of the floor until the other end of the floor is also clamped into the caliper; and bolts are inserted into the through holes to be connected with the sliding rails, so that installation of the floor is completed, the upper cover plate covers the floor, and the carried floor is moved to a place where installation is needed through the moving wheels. The invention further discloses an implementation method of the floor carrying device capable of being laid in an aligned mode for building assembly, infrared emission lamps are turned on to work, auxiliary straight lines are made on the ground,