A hydroponic cultivation system includes a plurality of hydroponic cultivation units vertically stacked one over another. Each unit is configured to provide a cultivation bed for the plants, and every two neighboring hydroponic cultivation units are hydrologically coupled to one another such that the culture solution flows top-to-bottom through each hydroponic cultivation unit on each level. The system further includes a plurality of support members, which are disposed between, and can provide mechanical support for, two hydroponic cultivation units on every two neighboring levels. The plurality of support members include at least one pipe, and each pipe is configured to arrange at least one of a hydrological connection or an electrical coupling between the two hydroponic cultivation units on the every two neighboring levels therein. The hydroponic cultivation system can achieve a vertical recycling of the culture solution.
