A teaching apparatus that is connected to a control apparatus controlling a robot and outputs a command intended for the robot to the control apparatus, the teaching apparatus comprising: a display provided on the first face, a setting-manipulating portion provided on a first face of the teaching apparatus and accepting an operation of changing a setting that defines a movement of the robot, wherein the setting-manipulating portion includes: a first button that accepts an operation of displaying, on the display, a screen for changing any of parameters defining a welding operation performed by the robot; a second button (48a-b) that accepts an operation of selecting one of the parameters displayed on the screen; and a third button (48c-d) that accepts an operation of changing a value of the selected parameter; an enabling switch provided on a second face of the teaching apparatus that is opposite the first face, the enabling switch accepting an operation of changing a state of electrification of the robot; and a robot-movement-manipulating portion provided on the second face and accepting an operation of executing the movement of the robot, wherein, seen from a side of the first face, the setting-manipulating portion provided on the first face is positioned on a left side or a right side with respect to a center of the teaching apparatus, and the enabling switch and the robot-movement-manipulating portion provided on the second face are positioned on a same side as the setting-manipulating portion. a display provided on the first face, a setting-manipulating portion provided on a first face of the teaching apparatus and accepting an operation of changing a setting that defines a movement of the robot, wherein the setting-manipulating portion includes: a first button that accepts an operation of displaying, on the display, a screen for changing any of parameters defining a welding operation performed by the robot; a second button (48a-b) that accepts an operation of selecting one of the parameters displayed on the screen; and a third button (48c-d) that accepts an operation of changing a value of the selected parameter; a first button that accepts an operation of displaying, on the display, a screen for changing any of parameters defining a welding operation performed by the robot; a second button (48a-b) that accepts an operation of selecting one of the parameters displayed on the screen; and a third button (48c-d) that accepts an operation of changing a value of the selected parameter; an enabling switch provided on a second face of the teaching apparatus that is opposite the first face, the enabling switch accepting an operation of changing a state of electrification of the robot; and a robot-movement-manipulating portion provided on the second face and accepting an operation of executing the movement of the robot, wherein, seen from a side of the first face, the setting-manipulating portion provided on the first face is positioned on a left side or a right side with respect to a center of the teaching apparatus, and the enabling switch and the robot-movement-manipulating portion provided on the second face are positioned on a same side as the setting-manipulating portion.