There is provided a medical support arm device including a multi-joint arm having a distal end configured to host a medical device, said multi-joint arm configured to have a higher degree of freedom than a degree of freedom necessary for controlling a spatial position and pointing direction of the medical device. The multi-joint arm is configured to controllably displace at least one of a plurality of joints of the multi-joint arm while the spatial position and the pointing direction of the medical device are controlled.