Provided is surgical instrument which can provide a field of view over surgical site by sucking blood from bleeding site during surgery on body tissue of patient and monitoring dark and deep surgical site, which operator cannot see with his or her naked eye, with small camera. The surgical instrument has substantially the same shape as a pair of scissors and includes first body, second body having shape symmetrical to that of the first body, hinge to which the first and second bodies cross and are rotatably coupled, and photographing unit provided in the hinge to photograph a surgical site between front ends of the first and second bodies. The photographing unit may include camera mounted in the hinge such that lens of the camera can be exposed through the center of the front surface of the hinge and configured to transmit photographed image data to monitor.