The present invention provides a hydroponic plant cultivation device, in particular to a cultivation device for positioning and transplanting a hydroponic plant to a container, the device mainly comprising a water container, a receiving tube cover, a plant holding tube and a planting sea. Cotton, after planting the sponge by the plant holding tube, bundles the stem of the plant and inserts it into the through-receiving tube with the upper cover of the receiving tube fixed above the water container, so that the plant positioning is easily located in the container, and The end of the plant is extended to the aqueous liquid of the container for hydroponic cultivation.本作提供一種水耕植物栽培裝置，尤指適用於將水耕植物定位並移植至容器之栽培裝置，其裝置主要包含一水容器、一具容置管上蓋、一植株固持管及植栽海棉，藉由植株固持管加入植栽海棉後束合植株莖部圍並套入固定在水容器上方之具容置管上蓋之貫穿容置管內，據以輕易達成植株定位位於容器，並使植株末端延伸至容器之水液中進行水耕栽培。
