To provide a mass production method of die-cut seaweed, and a production apparatus, capable of die-cutting cleanly a contour of seaweed in a large quantity in a short time without using a machine having an expensive and complicated structure.SOLUTION: In a mass production method of die-cut seaweed, and a production apparatus 1 of die-cut seaweed, having a substrate surface plate 2, and a roller 3 moving by rotating on the substrate surface plate 2, and having a clipping plate 4 on the substrate surface plate 2, seaweed 5 on the clipping plate 4, and a protective plate 6 on the seaweed 5, die-cutting of the seaweed 5 is performed, while sandwiching the clipping plate 4, the seaweed 5 and the protective plate 6 between the substrate surface plate 2 and the roller 3, by rotating and moving the roller 3.SELECTED DRAWING: Figure 3【課題】高価で複雑な構造の機械を使用することなく、短時間で大量に海藻の輪郭をきれいに型抜きできる型抜き海藻の量産製造方法および製造装置を提供する。【解決手段】基板定盤2と、基板定盤2上を回転して移動するローラ3と、を有し、基板定盤2の上に切抜き板4と、切抜き板4の上に海藻5と、海藻5の上に保護板6と、を有し、ローラ3を回転して移動することで、切抜き板4と海藻5と保護板6を、基板定盤2とローラ3の間に挟みこみながら海藻5の型抜きを行う型抜き海藻の量産製造方法および該型抜き海藻の製造装置1である。【選択図】図3