The plant cultivation device includes a frame having four columns, cultivation beds a raising/lowering member, and a cultivation spaces. The cultivation beds are positioned one above the other and each is supported by the affixing claws of the frame. The raising/lowering member has an arm for engaging the cultivation beds and drives vertically between adjacent cultivation beds. The cultivation spaces each formed between vertically adjacent cultivation beds. The affixing claws are fixed to the framed storable in the columns and are driven between a supporting position and a non-supporting position. The arm is fixed to the raising/lowering member storable in the raising/lowering member, and is driven between an engaging position and a non-engaging position.
