The present disclosure a structural member for grafting. The structural member for grafting includes a twig unit having at least one first contact portions contacted with a stem of a plant in a first position, a stock unit loading and unloading to the twig unit and having at least one second contact portions contacted with the stem of the plant in a second position closer to a root of the plant than the first position, a first fixing tool fixable on the twig unit and having at least one first pressing portions pressing the stem of the plant to the first contact portion, and a second fixing tool fixable on the stock unit and having at least pressing portions pressing the stem of the plant on the second contact point. A space for exposing the stem of the plant is set between the first fixing tool fixed on the twig unit and the second fixing tool fixed on the stock unit.本發明之嫁接用構件,包括具有在第一位置與植物的莖部接觸的至少一個第一接觸部的穗木單元、能夠裝卸於穗木單元,且具有在相較於第一位置靠近植物的根部的第二位置與植物的莖部接觸的至少一個第二接觸部的砧木單元、能夠固定於穗木單元,且具有將植物的莖部壓制於至少一個第一接觸部的至少一個第一壓制部的第一固定具、以及能夠固定於砧木單元,且具有將植物的莖部壓制於至少一個第二接觸部的至少一個第二壓制部的第二固定具。露出植物的莖部的空間係設置於固定於穗木單元的第一固定具與固定於砧木單元的第二固定具之間。