PLANT FACTORY

The present invention relates to a plant used for culturing plants, which increases photosynthesis of plants by offering light-emitting diode (LED) light to the inside of a plant culturing structure and supplies proper amount of purified air to roots of plants in a nutrient solution of the plant culturing structure, comprising a culturing facility (10) having an inner space; a plant culturing member (40), which is installed in the culturing facility (10), in which plants are planted and are cultured, and a nutrient solution is filled to supply nutrients to the planted plants; an LED lighting (20) which is installed in the culturing facility (10) and accordingly offers lights to the planted plants; and an air supplying member (30) which is mutually connected and installed on the culturing facility (40) and purifies outside air, thereby supplying the purified air to the nutrient solution.