The present invention relates to a fabricated landscape architecture system that can simply form landscape architecture of a wall surface or the like. The fabricated landscape architecture system, includes a plurality of support plates (60), a plurality of cultivation boxes (10) and water supply pipes (30). The plurality of support plates (60) are arranged in one or more lines in a vertical or horizontal direction and include a plurality of fastening holes and pipe grooves (13). The plurality of cultivation boxes (10) are formed in the shape of a box of which one surface is open. A plurality of fastening protrusion (25) to be inserted into the fastening holes, pipe grooves (13) positioned so as to face the pipe grooves (13) of the support plates (60) and the assembly holes are formed on the bottom of the cultivation box (10). The water supply pipes (38) are provided between the pipe grooves (63) of the support plates (60) and the pipe grooves (13) of the cultivation boxes, and include a plurality of water supply protrusions.