A display control system for easy viewing of intended information. A display control means of a server computer controls, when the cursor of a display means of a personal computer is brought to one of plural items of information constituting a second group of items of information displayed on the second display area of the display means to assume that an information choice instruction is given and, according to the information choice instruction, to choose one of plural items of information constituting the second group of information, to choose on the basis of a relation table one or more items of information constituting a first group of items of information related to the one item of information chosen from the second group of items of information, and to attach a choice mark to the items of information chosen out of the items of information displayed on the first display area.