<;P>;PROBLEM TO BE SOLVED: To provide a mushroom-processing apparatus which can automate a mushroom-cutting and processing process having relied on the hand work of workers to reduce costs such as labor costs and improve productivity, when the mushrooms such as Lyophyllum aggregatum are shipped. <;P>;SOLUTION: The mushroom-processing apparatus for cutting off the unnecessary portions of mushrooms such as Lyophyllum aggregatum cultured in containers, includes a mushroom-carrying and conveying device 70 for detaching the mushrooms from the containers in a state that rings are attached to the root portions of the mushrooms and conveying the mushrooms together with the rings, a clamp device 30 for receiving the Lyophyllum aggregatum sequentially conveyed with the mushroom-carrying and conveying device from the mushroom-carrying and conveying device, and a cutting device 60 for cutting the unnecessary portions of the Lyophyllum aggregatum held in the clamp device. <;P>;COPYRIGHT: (C)2010,JPO&INPIT