A medical manipulator system comprising: a main body portion that includes drive shafts (60a, 60b) which are rotated by actuators (50a, 50b) and an input unit which drives the actuators (50a, 50b); a working unit that includes driven shafts (70a, 70b) which are rotatably driven by the drive shafts (60a, 60b), a tip operating unit which is operated by the rotation of the driven shafts (70a, 70b), and a shaft which is provided between a tip of the tip operating unit and the main body portion, the working unit being attachable to and detachable from the main body portion; and a controller (29, 504) that is connected to the main body portion and therefore, controls so as to drive the actuators (50a, 50b) based on an input operation to the input unit, wherein the actuators (50a, 50b) are driven based on the input operation to the input unit, and therefore, the tip operating unit can perform at least a rotation operation about an axial direction or a swing operation that crosses the axial direction, and the controller (29, 504) changes driving speeds of the actuators (50a, 50b), wherein the controller (29, 504) includes a speed setting unit that can change an operating speed of the rotation operation or the swing operation of the tip operating unit to a set value, the controller (29, 504) includes a storage unit that stores the set value of the operating speed of the tip operating unit set through the speed setting unit, the tip operating unit has a plurality of kinds, the speed setting unit can change the operating speed for each kind of the tip operating unit that is provided in the working unit mounted to the main body portion and can register the set value of the operating speed for each kind in the storage unit, and the controller (29, 504) can simultaneously connect to a plurality of medical manipulators that include the main body portion and the working unit, and can individually change the operating speed of the tip operating unit of each medical manipulator, respectively, characterized in that a combination of the set values of the operating speed of the rotation operation and the swing operation can be registered in a plurality of combinations in the storage unit. a main body portion that includes drive shafts (60a, 60b) which are rotated by actuators (50a, 50b) and an input unit which drives the actuators (50a, 50b); a working unit that includes driven shafts (70a, 70b) which are rotatably driven by the drive shafts (60a, 60b), a tip operating unit which is operated by the rotation of the driven shafts (70a, 70b), and a shaft which is provided between a tip of the tip operating unit and the main body portion, the working unit being attachable to and detachable from the main body portion; and a controller (29, 504) that is connected to the main body portion and therefore, controls so as to drive the actuators (50a, 50b) based on an input operation to the input unit, wherein the actuators (50a, 50b) are driven based on the input operation to the input unit, and therefore, the tip operating unit can perform at least a rotation operation about an axial direction or a swing operation that crosses the axial direction, and the controller (29, 504) changes driving speeds of the actuators (50a, 50b), wherein the controller (29, 504) includes a speed setting unit that can change an operating speed of the rotation operation or the swing operation of the tip operating unit to a set value, the controller (29, 504) includes a storage unit that stores the set value of the operating speed of the tip operating unit set through the speed setting unit, the tip operating unit has a plurality of kinds, the speed setting unit can change the operating speed for each kind of the tip operating unit that is provided in the working unit mounted to the main body portion and can register the set value of the operating speed for each kind in the storage unit, and the controller (29, 504) can simultaneously connect to a plurality of medical manipulators that include the main body portion and the working unit, and can individually change the operating speed of the tip operating unit of each medical manipulator, respectively, characterized in that a combination of the set values of the operating speed of the rotation operation and the swing operation can be registered in a plurality of combinations in the storage unit.