An object of the present invention is to provide a hydroponic cultivation unit and a hydroponic cultivation system that can improve the cultivation yield, and at the same time, have both low cost and high workability and cleanability. A hydroponic cultivation unit according to the present invention is constituted by a plurality of mutually detachable cylindrical divided bodies, a cultivation cylinder having at least one opening on a side surface thereof, and one end opening in which plants are arranged. And a planting member having an opening of the cultivation cylinder and a detachable other end opening. [Selection diagram] Fig. 1【課題】栽培歩留まりを向上させ、且つ低コストで高い作業性や洗浄性をも両立させた水耕栽培ユニット及び水耕栽培システムを提供する。【解決手段】本発明の水耕栽培ユニットは、相互に着脱可能な複数の筒状分割体から構成されて、その側面に少なくとも１つの開口部を有する栽培筒と、植物が配置される一端開口と、前記栽培筒の開口部と着脱可能な他端開口と、を具備する植付部材と、を含むことを特徴とする。【選択図】 図１
