Tissue box writing instrument

The invention discloses a tissue box writing instrument. The tissue box writing instrument comprises a discharging assembly, a belt conveying assembly, a transverse feeding assembly and a laser marking assembly, the discharging assembly comprises a plurality of vertically-arranged discharging frames, a plurality of tissue boxes are placed in each discharging frame, and the multiple discharging frames are sequentially arranged and installed at the top of the belt conveying assembly. The transverse feeding assembly is arranged at one end of the belt conveying assembly, during work, the multiple tissue boxes are installed in the discharging assembly, the discharging assembly conveys a single tissue box to a conveying belt of the belt conveying assembly, and the conveying belt conveys the tissue boxes towards the transverse feeding assembly; and when the tissue boxes are separated from the conveying belt, the tissue boxes automatically slide into an inclined sliding table of the transverse feeding assembly, then