It is an object of the present invention to provide a portable terminal and data output control system suitably used for readily obtaining detailed information on a network. A data output control terminal 300 communicably connects a user-owned portable terminal 100, printing devices PR1 through PRn situated at various locations , and WWW servers DS1 through DSm, via the Internet 400, data printing requests are received from the portable terminal 100, data relating to the data printing request is obtained from a WWW server DS, one of the printing devices PR is selected, and the obtained data is output to the selected printing device PR. The portable terminal 100 obtains data from the WWW server DS, displays the obtained data on an LCD 44 and appends a data printing request item at the end of the display data for display on the LCD 44, and in the event that the displayed data printing request item is selected, sends a data printing request to the data output control terminal 300. IMAGE
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