Puncture needle electronic guiding instrument based on CT (Computed Tomography) operation

The invention discloses a puncture needle electronic guiding instrument based on CT operation, and belongs to the technical field of medical instruments, the puncture needle electronic guiding instrument comprises a main body, the main body comprises a bottom plate and a cover plate, the cover plate is clamped on the bottom plate, a digital display screen is arranged on the cover plate, a switch button is arranged on the cover plate, and the digital display screen is connected with the switch button. One end, far away from the switch button, of the main body is fixedly connected with a cap core, the cap core can be connected with a needle cap in a sleeving manner, the needle cap is fixedly connected with a puncture needle, and one end of the puncture needle is provided with a needle head. The digital display screen has a display angle, puncture to a target position can be achieved simply and easily through angle display guiding, puncture needles with different lengths and universal specifications can be achie