To provide a flour mill which is capable of suppressing the destruction of the nutrients of material to be pulverized and the degradation in the intrinsic aroma and taste of the material by suppressing the temperature elevation of a stationary automated mortar disk or rotary automated mortar disk to be brought about by the friction heat of an automated mortar section and to obtain good pulverization operation.

This flour mill has the automated mortar section 2 consisting of the stationary automated mortar disk 6 and rotary automated mortar disk 7 capable of pulverizing the material W to be pulverized and a drive section 3 for rotating the rotary automated mortar disk and is provided with a cooling mechanism 12 capable of forcibly cooling the rotary automated mortar disk and/or the rotary automated mortar disk from the inside.