TJ-DS double-piece three-servo semi-automatic carton stapler can staple single-piece formed cartons, double-piece formed cartons and irregular cartons, and can also staple cartons with bottoms but no covers, and is suitable for nailing large cartons. The machine adopts full electric control, and the nailing speed is fast and labor-saving. The paper feeding part of the machine adopts automatic counting, and the finished products are sent out and bundled. When the carton specifications are switched, it only takes two or three minutes to complete the adjustment, which is relatively convenient and quick to operate. The machine can also nail single nails, double nails and reinforced nails at the same time, with strong flexibility. The machine uses computer settings to automatically adjust the nail distance, and the computer screen can also display fault prompts to facilitate rapid troubleshooting, which is incomparable to the performance of ordinary carton staplers.