To provide a mill which can suppress the move of a material to be milled or others to a storing section in returning to a storing posture and which exhibits good operatability and high reliability for a long period.

The mill has an outer cylinder 7 and inner cylinder 8 rotatable relative to each other, a milling section 5 comprising an outer blade 3 and an inner blade 4 rotating integrally with one of the cylinders respectively, a partition 2A arranged above the milling section 5, rotating integrally with the inner cylinder 8 in a working posture U, and receiving an object S to be milled falling down by its own weight in a using posture, a supplying port 2B arranged in a part of the partition 2A and for supplying an object S to be milled to the milling section 5, a second partition 10A arranged above the partition 2A, rotating integrally with the inner cylinder 8, and receiving the object S to be milled falling down by its own weight, and a guide body 10 comprising a cylindrical body 10B downwadly protruding from the second partition 10A, and the supplying port 2B and the opening 10C of the cylindrical body 10B arranged in a location where they do not overlap in a vertical direction.