Disclosed is a plant cultivation system for environmentally growing a variety of plants in all-weather, regardless of the natural environment or a place and for significantly increasing the production per unit area. The plant cultivation system includes: a circulatory system (20) including a plurality of axes (24) installed in a corresponding portion of a frame (13) installed in a cultivation room (10) a plurality of chain gears (22) axis-installed on the plurality of axes (24) respectively a left and a right chain (23) for chaining the plurality of chain gears (22) to be hung in turn and a motor (21) connected and installed onto any axis of the plurality of axes (24) a plurality of cultivating pot members (30) including a can body (31) having an opening in an upper surface, and a hook plate (32), fixed to left and right ends of the upper surface of the can body, for axis coupling and installing by hanging onto left and right hook axes (26) horizontally fixed in an inner space of the left and right chains (23) which face each other at regular intervals and for moving and circulating in the inner space of the cultivation room (10) by rotatably installing as hanging between the left and right chains (23) by the left and right hook axes (26) and the hook plate (32) a medicinal fluid supplier (40) for providing the medicinal fluid to the plurality of cultivating pot members (30) and an air blower (50), installed in the cultivation room (10), for providing the filtered external air to an interior or for circulating the inner air.
