The present invention relates to a stirring rod of hot and cold foods supplying machine and an assembled stirring unit thereof. The assembled stirring unit includes an assembled piece and a stirring blade, wherein a length direction of the assembled piece is an axial direction, a direction perpendicular to the axial direction is a radial direction, and the assembled piece has a first joining piece and a second joining piece respectively at two ends thereof in the axial direction. The stirring blade is provided on the assembled piece and extends towards the radial direction, and the stirring blade is twisted at an angle by having the radial direction as an axis. The stirring rod is formed by serially connecting multiple assembled stirring units along the axial direction.