To provide a construction method of wall cabinet capable of solving the problem in a conventional construction type storage wall or wall cabinet, and a cabinet formed according to this method.

On the front surface side of a wall 5 within a building 1 to form the wall cabinet, a beam member 6 having a length matched to the front width of the cabinet is fixed on a ceiling, and a plurality of strut members 7 is raised at proper intervals under the beam member 6 to form the frame F of the wall cabinet. An opening member for blocking at least the front surface such as openable and closable doors 8 and 9, sliding doors, shutter or the like is mounted on the frame F.