A plant cultivation apparatus for cultivating a plant includes a frame, at least a LED, at least two movable plates and an elevator unit. The movable plates are installed in the frame. The LED is disposed above the plant. The elevator unit is connected to the movable plate. Via the elevator unit moving the movable plate, the distance between the top of the plant and the movable plate is maintained.一種植物培養裝置,用以培養一植物,包括框架、至少一發光二極體、至少二活動平台以及升降單元。活動平台設於框架中,而發光二極體,位於植物上方,升降單元與活動平台連接,藉由升降單元移動活動平台,使植物之頂部與活動平台維持固定距離。20‧‧‧植物培養裝置21‧‧‧框架22‧‧‧發光二極體23、24‧‧‧活動平台231、241‧‧‧上表面232、242‧‧‧下表面25‧‧‧升降單元251‧‧‧滾珠螺桿26‧‧‧照度控制器30‧‧‧植物H1‧‧‧固定距離