A scraping device and a scraping method, by which a scraping process using a robot can be automated, and workload of an operator can be significantly reduced. The scraping device includes a robot which grips or holds a scraping tool, and a robot controller which controls the robot. The robot is a multi-joint robot having six axes, and has a robot arm and a robot hand attached to a front end of the robot arm. The scraping tool is gripped or held by the robot hand. The scraping tool has a cutting edge and a vibrator which vibrates the cutting edge at high velocity, and the robot hand grips the scraping tool while the cutting edge is vibrated at high velocity.