<；P>；PROBLEM TO BE SOLVED: To provide a hydroponic apparatus for relatively uniformly spreading culture solution to a plurality of culture mediums even without circulating a large amount of culture solution onto a cultivation bed, and to provide a cultivation bed to be used for the hydroponic apparatus. <；P>；SOLUTION: The hydroponic apparatus includes a front panel 2 having an opening part 21 corresponding to a plurality of culture mediums, and the cultivation bed 3 arranged on the back of the front panel 2, for bringing culture solution into contact with the roots of plants planted in the culture mediums. The cultivation bed 3 has a culture solution guide surface 31 inclining relative to the horizontal plane, and a coating layer 311 by photocatalyst is directly or indirectly provided on the culture solution guide surface 31. <；P>；COPYRIGHT: (C)2011,JPO&INPIT
