The invention discloses a coloring machine for colored spun yarns in the textile field. The machine comprises a coloring cylinder, a motor, a spinning column, a spraying device, a dye storage box, a curing device, a locking device and a dye recovery device, one end of the coloring cylinder is a cavity structure with an opening, the upper end of the coloring cylinder is movably provided with a sealing plate through a rotary shaft, the locking device is arranged on the side, away from the rotary shaft, of the sealing cover plate and the coloring cylinder, a first supporting plate is fixedly welded to the part, close to the bottom, of the coloring cylinder, a plurality of through holes are formed in the first supporting plate, the motor is fixedly welded to the middle of the first supportingplate, a rotary plate is fixedly welded to a rotary shaft of the motor, the spinning column is of a cavity structure with openings at the two ends, and installing blocks are fixedly welded to the twosides of the bottom of the spinning column. The machine has the advantages that dye can be recycle, steaming color curing can be conducted on the dyed colored spun yarns, so that the dye does not easily fall, and the machine is extremely time saving and labor saving.