The invention provides a manufacturing method for a display article anti-theft device. The manufacturing method comprises the steps that a reed (2) capable of moving up and down is mounted in a reed pipe (1), and the reed (2) is conductive; the fixed reed (2) and a reed (3) are mounted in the reed pipe (1), and the fixed reed (2) and the reed (3) are magnetic and conductive; a display article (5) provided with a magnetic sticking strip is placed on the reed pipe (1), and the reed pipe (1) is in circuit connection with an alarm sound generator (7) and a power supply through wires (6). The display article anti-theft device can effectively protect the safety of the display article and is simple in structure, convenient to use and easy to operate.