The invention discloses a Cali board blank door which comprises a blank door steel frame base course (4), a blank door Cali board surface course (5) and two aluminium alloy edge capping strips (1), wherein the blank door steel frame base course (4) is fixed on a building structure through upper and lower door shafts (8); the blank door Cali board surface course (5) is fixed on the surface of the blank door steel frame base course (4); the first aluminium alloy edge capping strip (1) is fixed on a blank door shaft side wall Cali board (2); the second aluminium alloy edge capping strip (1) is fixed on the edge at the opening end of the blank door Cali board surface course (5); the two aluminium alloy edge capping strips (1) can be completely hide gaps on two sides of the Cali board blank door respectively after the Cali board blank door is closed. The Cali board blank door provided by the invention can completely hide the gaps on two sides of the Cali board blank door after being mounted, improves the ornamental value and saves the construction cost.