The invention discloses an efficient forming device. The device comprises a box body, a forming mold is arranged in the box body, the forming mold comprises a bottom plate fixed to the bottom of the box body, a front baffle and a rear baffle which are parallel are fixed to the front side and the rear side of the bottom plate correspondingly, a plurality of parallel partition boards are arranged between the front baffle and the rear baffle, are vertically placed, and are perpendicular to the front baffle, a cover plate is arranged above the partition boards, one side of the cover plate is rotatably connected with the rear baffle, a clamping lock is arranged on the other side of the cover plate, a clamping buckle matched with the clamping lock is arranged on the front baffle, two telescopic motors are arranged in the box body, and are located on the left side and the right side of a forming mold plate, the two telescopic motors are connected with two partition boards located on the outmost side of the forming mold through telescopic rods, and a material taking door capable of being opened and closed is arranged on the upper portion of the box body. Multiple foam plastic boards can be pressed at one time, and production efficiency is greatly improved.