Abstract: An integrated hardcover production method and device comprising: a moving belt 1 installed inside a frame 10 horizontally moves a plurality of sheets 5 from a first end to a second end thereof; a stop plate 2 installed to a second end of the moving belt 1 aligns a spine 51 of the plurality of sheets 5; a set of forming rollers 22 installed along a first side of the stop plate 2 gradually convex inward; a translating device 3 moves transversely on the stop plate 2 inside the frame 10 to and fro, thereby the plurality of sheets 5 gripped by the translating device 3, the spine 51 flattened by passing through the forming rollers 22.