There are provided a portable terminal and a method of controlling the same with which it is possible to choose and display only data that is useful for users among contents existing on a communication network. A browser unit acquires a desirable contents source from a website by using reference information. An analyzing unit analyzes whether or not link information is established to the image data designated in the acquired source by the browser unit, and whether or not the domain and home directory of the image data match with the domain and home directory of text data contained in the source. A display control unit determines display or non-display of image data which is designated in the source based on the result of analysis.