The invention discloses a rough yarn surface quick drying device. The device comprises a rack, wherein a driven reel, two drying wheels, two liquid spray holes, two hot air outlets, two cold air outlets and a driving reel are arranged on the rack in sequence; a sleeve is arranged on the rack; the two drying wheels, the two liquid spray holes, the two hot air outlets and the two cold air outlets are symmetrically arranged up and down and are arranged in the sleeve. By adopting the device, the defects of the prior art can be overcome and the control effects of the yarn moisture regain are improved.