The utility model discloses a household food grinder with the drying function. The household food grinder with the drying function is divided into an upper part and a lower part. The upper part comprises a grinder outer shell, a grinder inner shell, a motor fixer, a coupler, an upper layer grinding head, a spring, a motor and a shell connector, wherein the grinder outer shell is connected with the grinder inner shell through the spring; the motor fixer, the coupler, the upper layer grinding head, the spring and the motor are installed in the grinder inner shell; the grinder inner shell and the grinder outer shell are connected into a whole in a clamped mode. The lower part comprises a lower layer grinding surface, a grinder base and a heating device, and is connected with the upper part detachably and movably. According to the household food grinder with the drying function, in the grinding process, the grinding interval can be adjusted automatically under the action of the spring as the size of grinded food decreases continuously, the uniformity of the grinding particle size is ensured, and the household food grinder with the drying function is small in size, practical in function, convenient to use and suitable for daily grinding various food which is dry or contains certain water.