The present invention relates to a plant growing system making an overall greenhouse area be used as a space capable of growing a plant, so mass-production is possible. The plant growing system according to an embodiment of the present invention comprises: a plurality of driving means (20) installed at predetermined forward and backward intervals to laterally cross a truss horizontally crossing the top of a greenhouse, and including motors (21) and driving shafts (22); an ascending means (30) including drums (31) axially fixed to the driving shafts at predetermined lateral intervals and having winding grooves (311) spirally formed thereon, wires (32), first left and right guiding pulleys (34, 34), and second left and right guiding pulleys (37, 37), wherein the wires (32) have middle parts wound on the middle of each of the winding grooves of the drums, left parts (32a) facing a bottom side in the left front sides of the drums, and right parts (32b) facing a bottom side in the right rear sides of the drums, an
