The present invention is suitable for the medical appliance field, and provides an intelligent orthopedic surgery system. The system comprises a switch, a surgery positioning device and a surgery planning and monitoring device, a C-shaped arm and an X-ray machine and an orthopedic surgery robot which are connected with the switch separately. The orthopedic surgery robot comprises a robot body and a mechanical arm fixed on the robot body, an intelligent bone drill fixed on the mechanical arm, a communication module, a mechanical arm control module, an intelligent bone drill control module and a surgery robot electrical control module. The intelligent bone drill comprises a surgery electric drill, a guide mechanism sleeving on an electric drilling head of the surgery electric drill, a push mechanism, a binocular vision recognition system, a pressure sensor fixed on the surgery electric drill and a bone drill controller. The orthopedic surgery robot in the intelligent orthopedic surgery system of the present invention can realize an accurate drilling function on the basis of navigation, and realizes the surgery operations, thereby improving the surgery precision and stability, and relieving the working strength of doctors.