An image processing system includes a terminal worn by a user for use; and an image output apparatus configured to perform an output process for outputting an image in accordance with a command given by the user. The terminal includes an obtaining portion configured to obtain, from the user, a physical feature of the user. Any one or both of the terminal and the image output apparatus includes an authentication portion configured to perform, prior to the output process, an authentication process for verifying the user based on the physical feature obtained by the obtaining portion. The image output apparatus includes an output process portion configured to perform the output process when the authentication portion verifies the user.