PROBLEM TO BE SOLVED: To provide a mass production method of plants capable of reducing equipment loads.SOLUTION: A mass production method of plants comprises sealing the opening portion of each of a plurality of culture bags 1 containing a liquid culture medium 12 and a plant material 13 and arranging the sealed culture bags 1 in a predetermined culture space 10, the culture bag 1 being configured to generate self-standing by being deployed from a folding state； and maintaining each interior of the plurality of culture bags 1 arranged in the culture space 10 suitable for the environment where the plant material is cultured, and culturing the plant material in each culture bag 1.SELECTED DRAWING: Figure 3【課題】設備負担を軽減することが可能な植物の大量生産方法を提供する。【解決手段】植物の大量生産方法において、折り畳まれた状態から展開されることにより自立性が生じるように構成された複数の培養袋１のそれぞれに、液体培地１２と植物材料１３とを収容して各培養袋１の開口部を密封し、密封された培養袋１を所定の培養スペース１０に並べる工程と、培養スペース１０に並べられた複数の培養袋１のそれぞれの内部を植物材料の培養に適した環境に維持して各培養袋１内で植物材料を培養する工程とを設ける。【選択図】図３
