A cultivation apparatus (1), a three-dimensional multistage cultivation system including the cultivation apparatus (1), and a plant factory cultivation system including the three-dimensional multistage cultivation system. The cultivation apparatus (1) includes a cultivation tray (10) and a cultivation plate (20) that can be moved together, and a nutrient solution inlet (101) and an outlet (102) located on the same side of the cultivation tray (10). The three-dimensional multi-stage cultivation system includes a support base and a nutrient solution supply system installed on the support base. The cultivation apparatus (1) is detachably attached to the support base as a unit. [Selection diagram] Fig. 1栽培装置(1)、該栽培装置(1)を備える立体多段式栽培システム及び該立体多段式栽培システムを備える植物工場栽培システムである。栽培装置(1)は一体で移動可能な栽培トレイ(10)と栽培プレート(20)、栽培トレイ(10)の同じ側に位置する養液の注入口(101)と排出口(102)を備え、立体多段式栽培システムは、支持架台、支持架台に設置された養液供給システムとを備える。栽培装置(1)は支持架台に一体で取り外し可能に取り付けられる。 【選択図】図1