Food dry grinding machine

The invention discloses a food dry grinding machine which comprises a machine body and an inner container cup arranged on the machine body, the machine body is connected with a cover cup capable of covering the inner container cup from top to bottom, an inner cavity for containing food is defined by the cover cup and the inner side wall of the inner container cup, a driving device is arranged in the machine body, the driving device is provided with a driving shaft extending into the inner cavity, a sealing structure is arranged between the driving shaft and the inner container cup, a smashing cutter and a stirring cutter which are connected to the driving shaft are arranged in the inner cavity, the smashing cutter is arranged at the bottom of the inner container cup, the stirring cutter is arranged at the bottom of the inner container cup, the crushing cutter is uniformly provided with two or more cutter points along the circumferential direction, each cutter point is provided with a sharp blade, the stirring