The automatic locking screw machine is an automatic device that uses automatic mechanism to replace human hands to complete the taking, placing and tightening of screws. It can be designed as a horizontal, oblique and multi-directional simultaneous locking mechanism to meet various production needs. It is mainly used in auto parts production, computer, display screen, motor, lamp, mobile phone, printer, circuit board, battery, instrument and other automatic assembly, which can greatly improve production efficiency, reduce production costs and improve reliability.