A marker position registration method to be implemented by a processor, the marker position registration method comprising the steps of:
- causing an input form to be displayed, the input form allowing coordinates in a robot coordinate system corresponding to a specific portion of an industrial robot when the specific portion indicates a specific position in a marker to be input in association with a position identifier for specifying the specific position which is assigned to the marker;
- and
- registering the specific position in the robot coordinate system on the basis of a content input to the input form.