There is provided a device for evaluating and correcting a robot operation program for evaluating an appropriateness for the robot operation program and correcting the robot operation program, comprising a computer including a simulation function for confirming a robot operation. The computer includes a load calculation section for calculating a load given to a motor for driving an operating portion of the robot by a simulation conducted by a computer; and an evaluation section for evaluating, by an evaluation function, whether or not the load exceeds a predetermined allowed value