[Object] To enable to detect a force acting on a surgical instrument with a simpler configuration. [Solution] Provided is an information processing device including an acting force calculation unit that calculates, on a basis of a first detected value by a first force sensor provided on one side of a rod-shaped member, at least one of acting forces on a first point of action and a second point of action that differ from each other on an other side of the rod-shaped member.
