The present invention relates to a hydroponic cultivation apparatus, which comprises horizontal frames for connecting vertical frames and vertical frames, a cultivation housing supported by the horizontal frames and for cultivating plants, and a nutrient solution supply unit for supplying the nutrient solution to the cultivation housing side Wherein the cultivation housing 100 comprises a first cultivation housing 10 and a second cultivation housing 20 connected to the first cultivation housing 10, A nutrient solution supply unit 200 for supplying the nutrient solution to the first cultivation housing 10 and the nutrient solution supply unit 200. The nutrient solution supply unit 200 is disposed at one side wall of the first cultivation housing 10 and receives the nutrient solution supplied from the nutrient solution supply unit 200, (12) penetrating in a vertical direction to the bottom surface of the first nutrient solution receiving portion (10)； And a second cultivating housing (10) located on the other inner wall surface of the first cultivating housing (10) so as to face the first nutrient solution receiving portion (12) and having a plurality of second holes (13) A second nutrient solution receiving portion (14) vertically penetrating to a bottom surface of the first nutrient solution receiving portion (10)； (15) communicating with the inside of the first nutrient solution receiving portion (12) and communicating with the second nutrient solution receiving portion (14) on the other side and being in close contact with the bottom surface of the first cultivation housing (10) Wow； Wherein the first cultivation housing is composed of first loess balls 16 laid on the bottom surface of the first cultivation housing 10 and the second cultivation housing 20 is located on one inner side wall of the second cultivation housing 20 The nutrient solution which is connected by the second nutrient solution receiving portion 14 of the first cultivation housing 10 and the fir
