According to the grafting method utilizing the gluing machine of the present invention, a pair of first holder members H1a and H1b of the first holder unit H1 provided in the first gluing panel P1 are separated S110; A step (S115) of placing the first planting / gardening plant (F1) on the pair of first holder members (H1a, H1b) spaced apart; A step S120 of grasping and holding the first planting / gardening plant F1 placed on the first holder unit H1; A step S125 in which the first grafting panel P1 is rotated in a state in which the first fruit / vegetable plant F1 is grasped and supported by the first holder H1; The step S130 of guiding the first fruit / vegetable plant F1 by the first guide member G1 as the first grafting panel P1 is rotated; The step (S135) of cutting the stem or a part of the leaf of the first planting and gardening plant F1 guided by the first guide member G1 by the first cutter blade rotating; (S140) after the cutting is completed, the first grafting panel (P1) is rotated and disposed in the first holder (H11) after the rotation; A step S145 of separating a pair of second holder members H2a and H2b of the second holder H2 provided in the second glued panel P2; A step (S150) of placing the second planting / gardening plant (F2) on the pair of second holder members (H2a, H2b) spaced apart; The step (S155) of holding the second planting / gardening plant (F2) placed and held by the second holder (H2); A step S160 of rotating the second glazing panel P2 in a state that the second fruit / vegetable plant F2 is grasped and supported by the second holder H2; The step (S165) in which the second fruit plant F2 is guided by the second guide member G2 as the second grafting panel P2 is rotated; A step S170 of cutting a stem or a part of a leaf of the second planting and gardening plant F2 guided by the second guide member G2 by the second cutter blade C2 rotating; After the cutting is completed, the second grafting panel P2 is rotated and is placed in