PROBLEM TO BE SOLVED: To provide a vegetable material block forming method that enables solidification without causing the deterioration of the flavor of a vegetable material.SOLUTION: In a vegetable material block forming method, only a vegetable material 5 is charged into a metal cylindrical body 10 which opens on at least one side, and the vegetable material 5 having been charged into the metal cylindrical body 10 is compressed from one end side of the cylindrical body 10, and in a state where the vegetable material 5 is compressed, the outer peripheral surface of the cylindrical body 10 is heated.SELECTED DRAWING: Figure 4【課題】植物性素材の香りを低下させることなく固化可能な植物性素材ブロック形成方法の提供。【解決手段】少なくとも一旦側が開放されている金属製の筒状体10に植物性素材5のみを充填し、筒状体10に充填された植物性素材5を筒状体10の一端側から圧縮し、植物性素材5を圧縮した状態で、筒状体10の外周面を加熱する植物性素材ブロック形成方法。【選択図】図4