JUICER

A juicer is disclosed. The juicer includes: a juice-extraction drum crushing and squeezing a juicing target and receiving a screw therein; a hopper coupled to the juice-extraction drum to define a predetermined space receiving the juicing target therein, and comprising an inner protrusion protruding from an inner surface of the hopper toward a central axis of the hopper; and a blade coupled to the hopper to be rotated about the central axis of the hopper and cutting the juicing target before the juicing target reaches the screw, wherein the blade includes: a lower blade rotated in a state of closely contacting a bottom surface of the hopper; and an upper blade bent to cover the inner protrusion of the hopper from above, wherein the upper blade crushes the juicing target in cooperation with the inner protrusion of the hopper.