A surgical-manipulator manipulating device for manipulating a surgical manipulator including a treatment-tool distal-end portion (8, 9) having at least one electrically manipulated joint and a manual moving mechanism that moves the position of the treatment-tool distal-end portion (8, 9), the surgical-manipulator manipulating device comprising: a manual manipulating portion that manipulates the moving mechanism; and an electric manipulating portion that manipulates the joint of the treatment-tool distal-end portion (8, 9); wherein: the manual manipulating portion includes a movable portion that moves the treatment-tool distal-end portion (8, 9) in accordance with an amount of displacement, the electric manipulating portion includes a manipulation input portion (17b, 17c) that drives the joint, and can be secured to the movable portion, wherein the surgical manipulator includes a flexible portion in which the treatment-tool distal-end portion (8, 9) is secured to a distal end thereof, the movable portion is secured to the flexible portion so as to be able to move the flexible portion in a longitudinal direction thereof, the moving mechanism includes a bending portion (10a, 10b) that pivots the treatment-tool distal-end portion (8, 9), the manual manipulating portion includes a base portion and a pivoting portion that is attached to the base portion in a pivotable manner; the movable portion is attached to the base portion in a pivotable manner, is connected to the bending portion (10a, 10b) via a wire and is supported by the pivoting portion so as to be movable along a longitudinal direction thereof, the surgical-manipulator manipulating device further comprises a guide tube that accommodates the wire in a state in which the wire passes therethrough and that is connected, at a distal end thereof, to the moving mechanism including the bending portion (10a, 10b), and a basal end of the guide tube is secured to the base portion, and one end of the wire is secured to the pivoting portion. a manual manipulating portion that manipulates the moving mechanism; and an electric manipulating portion that manipulates the joint of the treatment-tool distal-end portion (8, 9); the manual manipulating portion includes a movable portion that moves the treatment-tool distal-end portion (8, 9) in accordance with an amount of displacement, the electric manipulating portion includes a manipulation input portion (17b, 17c) that drives the joint, and can be secured to the movable portion, wherein the surgical manipulator includes a flexible portion in which the treatment-tool distal-end portion (8, 9) is secured to a distal end thereof, the movable portion is secured to the flexible portion so as to be able to move the flexible portion in a longitudinal direction thereof, the moving mechanism includes a bending portion (10a, 10b) that pivots the treatment-tool distal-end portion (8, 9), the manual manipulating portion includes a base portion and a pivoting portion that is attached to the base portion in a pivotable manner; the movable portion is attached to the base portion in a pivotable manner, is connected to the bending portion (10a, 10b) via a wire and is supported by the pivoting portion so as to be movable along a longitudinal direction thereof, the surgical-manipulator manipulating device further comprises a guide tube that accommodates the wire in a state in which the wire passes therethrough and that is connected, at a distal end thereof, to the moving mechanism including the bending portion (10a, 10b), and a basal end of the guide tube is secured to the base portion, and one end of the wire is secured to the pivoting portion.