Electric handheld endoscope surgical instrument

The invention relates to an electric handheld endoscopic surgical instrument, and solves the technical problems of improving the action precision, movement stability and reliability of a minimally invasive surgical instrument based on manual operation, enabling the execution tail end of the surgical instrument to be replaceable and reducing the cost of the surgical instrument. The electric handheld endoscopic surgical instrument comprises a finger interface assembly, a palm spherical surface, an outer spherical surface, an inner spherical surface, a base, a positioning guide pin shaft, a rocker potentiometer, a driving device, a sleeve shell, a controller, a transmission device and a surgical instrument body, the sleeve shell is fixedly connected with the base, the driving device is connected with the sleeve shell, and the transmission device is connected with the driving device. The surgical instrument body is detachably connected with the sleeve shell and is in butt joint with the transmission device. The d