A medical screw surgical device includes: a surgical device main body shaped like a bar and internally formed with an insertion passage; an extension member provided in a lower portion of the surgical device main body and internally formed with a guide hole; a guide member movably provided in the guide hole of the extension member; and a firing member provided in the insertion passage of the surgical device main body and controlling the guide member to move up and down. A surgical robot having a robot arm with the medical screw surgical device includes: a support arm provided in the robot arm; a surgical device holding member provided in the support arm; and the medical screw surgical device provided in the surgical device holding member.
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