To provide a food grinder capable of producing a fine powder by charging food in the original form as it is, into a hopper and passing the food through special rollers, in the grinder.

The grinding process using this food grinder comprises: charging food in the original form as it is, into a hopper 1, coarsely grinding the charged food with a coarse-grinding roller 2, thereafter, also grinding the coarsely ground food with an intermediate roller 5, further finely grinding the resulting ground food with a lower stage roller 8 into a fine powder, and accumulating the fine powder in a vat 9.