Information processing system and information processing method

The objective of the present invention is to enable a movement of a machine to be corrected by means of an operation performed by a user, thereby achieving the machine movement desired by the user. This information processing system comprises a device to be operated, a detecting device including a camera that captures an image of the device, a control device including a storage unit for storing a task program that defines the movement of the device and that includes parameters of the speed, path, and position at which the device moves, and a control unit that causes the device to move on the basis of the task program, and a terminal device including a display unit that displays the image captured by the camera and an input unit that accepts input from a user, wherein, when the device is being caused to move on the basis of the task program, the control unit, on the basis of an input from the user with respect to the input unit, instructs the movement of the device based on the task program to stop, and correc