The invention discloses a power-driven stone mill. The power-driven stone mill comprises a positioning millstone and a rotary millstone; the center of the positioning millstone is provided with a shaft-shaped bracket, the rotary millstone is installed on the top of the positioning millstone and the center is provided with a positioning shaft hole, the top of the shaft-shaped bracket is provided with a millstone rotary machine and a millstone material feeding hopper, the millstone material feeding hopper is provided with a forced feeder, the forced feeder comprises a staggered runner frame and a feeding runner. The embodiment of the invention mutually combines the modern technology and the ancient stone mill, the power-driven stone mill can be conveniently mounted in various beverage stores, tea cafes, hotels and restaurants and unit canteens to use; various pulped or powdery food can be processed through the controlling on a switch only needing an operator to fill soybeans, rice grains or sesame and other food raw materials in the millstone material conveying hopper; and therefore, the power-driven stone mill is reasonable in structure and convenient for use.