The present application relates to the technical field of grinding, and in particular, to a small grinder, which solves the problems of complex structure, large volume and inconvenience in carrying in the prior art. A small grinder provided by the present application, comprising a housing; a fixing plate is provided inside the housing, the fixing plate divides an inner portion of the housing into an upper portion and a lower portion, and a feeding assembly is provided on the upper portion of the housing; a bracket is further provided on the upper portion of the housing; the bracket divides the upper portion of the housing into two parts, and the two parts are respectively provided with a power mechanism and a power supply mechanism; and the male grinding head is rotatably fitted in the female grinding head. The small grinder has a small volume, a reasonable layout, a stable structure, and simple and convenient operation, and is easy to maintain and carry.