To provide a broadcasting apparatus which is capable of reducing advertisement costs charged to a commodity maker and providing viewers with the latest information such as stores dealing with commodities, the number of commodities in stock, their price and the like.

A sponsored broadcasting station 3 is provided with: a main storage device 301 for storing information of a program or a commercial to be broadcasted in advance; and a data storage device 302 for storing the information of data broadcasting except for the program or commercial information in advance. The information stored in the data storage device 302 is data information such as the detailed information of the commodities, information on the store selling the commodities, and the like. The information in the data storage device 302 can be updated from remote sites, that is, from the communication terminals of a commodity maker 1 and of a store 6 via a broadband communication line network 7.