An apparatus for cultivating plants comprising: a cabinet having a cultivation space ; a door opening/closing the cultivation space ; a bed that is disposed in the cultivation space and on which plants are cultivated; a light assembly radiating light for photosynthesis toward the bed ; a water tank storing water to be supplied to the bed , a machine compartment separated from the cultivation space at a lower portion in the cabinet , communicating with an outside, and accommodating a compressor and a condenser constituting a cooling cycle for controlling the temperature of the cultivation space ; a supply duct connecting the machine compartment and the cultivation space and guiding air in the machine compartment to the cultivation space ; and a return duct connecting the cultivation space and the machine compartment and guiding air in the cultivation space to the machine compartment , characterized in that the apparatus further comprises: a blower assembly for circulating air in the cultivation space , the blower assembly being disposed in the cultivation space ; a condenser fan for forcibly blowing air for heat exchange of the condenser , the condenser fan being disposed in the machine compartment ; an inlet of the supply duct being disposed in a discharge direction of the condenser fan ; and an outlet of the supply duct being disposed to be open toward the blower assembly , wherein the supply duct is disposed closer to the blower assembly than the return duct . a cabinet having a cultivation space ; a door opening/closing the cultivation space ; a bed that is disposed in the cultivation space and on which plants are cultivated; a light assembly radiating light for photosynthesis toward the bed ; a water tank storing water to be supplied to the bed , a machine compartment separated from the cultivation space at a lower portion in the cabinet , communicating with an outside, and accommodating a compressor and a condenser constituting a cooling cycle for controlling the temperature of the cultivation space ; a supply duct connecting the machine compartment and the cultivation space and guiding air in the machine compartment to the cultivation space ; and a return duct connecting the cultivation space and the machine compartment and guiding air in the cultivation space to the machine compartment , characterized in that the apparatus further comprises: a blower assembly for circulating air in the cultivation space , the blower assembly being disposed in the cultivation space ; a condenser fan for forcibly blowing air for heat exchange of the condenser , the condenser fan being disposed in the machine compartment ; an inlet of the supply duct being disposed in a discharge direction of the condenser fan ; and an outlet of the supply duct being disposed to be open toward the blower assembly , wherein the supply duct is disposed closer to the blower assembly than the return duct . a blower assembly for circulating air in the cultivation space , the blower assembly being disposed in the cultivation space ; a condenser fan for forcibly blowing air for heat exchange of the condenser , the condenser fan being disposed in the machine compartment ; an inlet of the supply duct being disposed in a discharge direction of the condenser fan ; and an outlet of the supply duct being disposed to be open toward the blower assembly , wherein the supply duct is disposed closer to the blower assembly than the return duct . <EOS>