A portable terminal apparatus including an individual identification acquiring device and a unit for transmitting individual identification information. A central controller allows for comparing a piece of individual identification data, stored in a storage unit to the received individual identification information and, if an individual identification code could be specified, the portable terminal apparatus obtains information from the base apparatus. The distributive information storage unit stores information to be distributed. Information relative to a material displayed on a large-sized image display apparatus is transmitted from the base apparatus to the portable terminal apparatus through a communication line.