A kind of cultivated plant cultivating device of water of what is closed in system of the present invention,Including a pedestal,Upwardly extend a water pipe； And one first valve jacket,It is a room inside the valve jacket,Shell wall is equipped at intervals with the perforation of plural replaceable pore size； And set one first disk body: setting what first shell set top,The first disk body center sets a pipeline,The pipeline allows the water pipe to stretch through,And the position that stretches through enables the pipeline and the water pipe have a gap； And the tube wall of the pipeline is equipped with plural number separately,And the channel set in axial row,The plural number channel can enable the room and the space of the first disk body top communicate； The manifold of plural number channel perforation and the plural number channel can be connected to equipped with plural number,It is the pipeline of water filling by the equal manifolds,And it has both and the effect of compartment root system of plant is provided.本發明係關於一種水耕植物栽培裝置，包括一基座，向上延伸一水管；以及一第一殼套，該殼套內部為一容室，殼壁間隔設有複數可替換孔徑大小之穿孔；以及設一第一盤體：設於該第一殼套上方，該第一盤體中央設一管道，該管道容許該水管穿伸，且該穿伸部位令該管道與該水管有一間隙；且該管道之管壁設有複數相間隔，且呈軸向列置之通道，該複數通道可令該容室與該第一盤體上方之空間相通；設有複數可以連通該複數通道穿孔與該複數通道之歧管，藉由該等歧管為注水之管路，以及兼具提供容室內部植物根繫之作用。
