A teaching method for a system for taking out a molded product, the system comprising: a fixed frame; a movable frame movable along the fixed frame; an approach frame including an attachment such as a take-out head and movably held on the movable frame to go into a die (5,7,11) of a molding apparatus; an operation control section configured to move the movable frame and the approach frame according to a predetermined operation sequence to take out the molded product from the die of the molding apparatus with the die being opened, and to carry the molded product to a predetermined position and release the molded product; an imaging device disposed to capture an image of the die and around the die; and an image display device configured to display the captured image, which is captured by the imaging device, on a display screen of a display section, the operation control section including a teaching execution section configured to enable an operator to execute teaching of the operation sequence by changing a position of the approach frame while viewing the captured image displayed on the image display device, characterized in that: the teaching method comprises: disposing the imaging device so as to be able to capture an image of the die and around the die in a direction in which the approach frame approaches the die that is opened, and so as to be able to define, in the captured image, a virtual plane including an image of an opening end surface of the die that is opened; preparing a projected image obtained by projecting the attachment onto the virtual plane, or a maximum-dimension virtual projected image of the projected image, based on three-dimensional position information and three-dimensional shape information on the attachment that is mounted to the approach frame; and the image display device displaying, on the display screen, the projected image or the maximum-dimension virtual projected image as is superposed on the captured image. a fixed frame; a movable frame movable along the fixed frame; an approach frame including an attachment such as a take-out head and movably held on the movable frame to go into a die (5,7,11) of a molding apparatus; an operation control section configured to move the movable frame and the approach frame according to a predetermined operation sequence to take out the molded product from the die of the molding apparatus with the die being opened, and to carry the molded product to a predetermined position and release the molded product; an imaging device disposed to capture an image of the die and around the die; and an image display device configured to display the captured image, which is captured by the imaging device, on a display screen of a display section, the operation control section including a teaching execution section configured to enable an operator to execute teaching of the operation sequence by changing a position of the approach frame while viewing the captured image displayed on the image display device, characterized in that: the teaching method comprises: disposing the imaging device so as to be able to capture an image of the die and around the die in a direction in which the approach frame approaches the die that is opened, and so as to be able to define, in the captured image, a virtual plane including an image of an opening end surface of the die that is opened; preparing a projected image obtained by projecting the attachment onto the virtual plane, or a maximum-dimension virtual projected image of the projected image, based on three-dimensional position information and three-dimensional shape information on the attachment that is mounted to the approach frame; and the image display device displaying, on the display screen, the projected image or the maximum-dimension virtual projected image as is superposed on the captured image. disposing the imaging device so as to be able to capture an image of the die and around the die in a direction in which the approach frame approaches the die that is opened, and so as to be able to define, in the captured image, a virtual plane including an image of an opening end surface of the die that is opened; preparing a projected image obtained by projecting the attachment onto the virtual plane, or a maximum-dimension virtual projected image of the projected image, based on three-dimensional position information and three-dimensional shape information on the attachment that is mounted to the approach frame; and the image display device displaying, on the display screen, the projected image or the maximum-dimension virtual projected image as is superposed on the captured image.