The invention discloses an intelligent business address selection system. The system comprises a database unit, an information classification and analysis unit and an information query unit, wherein the database unit is used for constructing an address database containing a large amount of addresses, and a business information database which is associated with the address database, stores data which a querier wants to know, and corresponds to the addresses, and is also used for creating an index. According to the invention, first seven links of a general brand extension decision process are combined by synthesizing a large amount of manually-collected information into unified system query, therefore, the data continuity and the data accuracy are ensured, the decision-making period of the querier is greatly shortened and is specifically shortened from two months to one day or one hour. In addition, by virtue of type-in and analysis of business information associated with address information, the business address selection is quick, and controllable factors increases.