The invention discloses a yarn winding device for color-spun yarn. The device comprises a baseplate, a first motor, a rotation shaft, a yarn winding cylinder, a first wafer, a first spring, a second wafer, a circular hole, a second spring, a press rod, a clamping block, a groove, a top cover, a supporting rod, a connection strip, self-adhesive paper, a folded sleeving bag, a hot melting mechanism,a base, a press strip, a first electric heating wire, an electric push rod, a wiring plate, a fixing plate, a guide cylinder, a second motor, a first gear, a thread sleeve, a ring, a sleeve, a through hole, exhaust fans, fans, a second electric heating wire, a second gear, bristles, the color-spun yarn, an annular groove and a cavity. According to the yarn winding device for the color-spun yarn,the yarn winding cylinder can be conveniently replaced and fixed; when the color-spun yarn is wound, dust and cotton balls on the surface of the color-spun yarn can be removed through the bristles andthe exhaust fans, the color-spun yarn can be cleaned, and the color-spun yarn can be dried and heated through the fans and the second electric heating wire.