Provided is an image forming system that accumulates required information and can print the information even if running out battery of a portable terminal. An information selecting part selects browsing information corresponding to a specified condition from information. Browsing information can be printed on an image forming apparatus and is selected from the information, which the user is browsing. This is for browsing if the portable terminal is unusable. An information transmission part transmits browsing information selected by information selecting part to the image forming apparatus. An information accumulation part accumulates the browsing information received from the portable terminal. An image formation part prints the browsing information accumulated by the information accumulation part.