In order to provide an efficient hydroponic cultivation system, the present invention provides a hydroponic cultivation system comprising: a plurality of vessels extending in a predetermined direction； a plant holding plate that holds a plant and is disposed to span across the plurality of vessels； and at least one support mechanism provided between vessels adjacent to each other among the plurality of vessels, wherein each of the plurality of vessels is configured to contain a culture solution required for the growth of the plant, and the support mechanism supports the plant holding plate above the plurality of vessels.
