Alarm channel drilling device

The invention provides a new surgical operating instrument, belongs to the field of surgical operating instruments and relates to an alarm channel drilling device. When the head end of the alarm channel drilling device breaks through a bone substance to enter soft tissue, a movable inner core is popped out, a circuit is disconnected, and an alarm indicator light turns out, so that a surgeon is reminded in real time that the alarm channel drilling device leaves a normal path and enters the surrounding soft tissue, and the direction of the channel drilling device needs to be adjusted again. In this way, important anatomical structures such as nerve roots and a spinal cord around a pedicle screw channel can be prevented from being injured accidentally, so that the convenience and safety of a spinal operation are improved. Since the position of the channel drilling device does not need to be judged frequently through X-ray examinations, the probability that the surgeon and a patient are exposed to X-rays can also be lowered by using the alarm channel drilling device.