A system (1) and a method for robot-assisted medical treatment of a patient. The system comprises a manipulator (20), a medical visualization device (30), which is mounted on the manipulator (20) in order to be moved by said manipulator； and a medical instrument (40), which is provided with at least one marker (41) in order that the location of the medical instrument (40) can be detected. A control device (10) moves the manipulator such that the visualization device is orientated depending on the location or position of the medical instrument.
