A juicer having a smoothie making function including: a lid having a feed tube a feed screw having a rotating shaft and feeding input food downwards while cutting, crushing and squeezing the food a housing having a juice outlet and a residue outlet on an outer surface, with a housing discharge hole formed in the bottom of the housing and communicating with the residue outlet a net drum having an entirely or partially meshed sidewall, with a net drum discharge hole formed in the net drum and communicating with the residue outlet a motor unit having a housing seat and a drive shaft for rotating the feed screw and a juice control unit for opening or closing the juice outlet. While in operation, input food circulates through the upper and lower portions of the net drum while being cut, crushed or squeezed, and residue collects in the net drum.
