To provide merchandise information that is suitable for customer living environment and also a network shop system in which merchandise based on merchandise specification desired by the customer is provided.

This network shop system which is connected to a shop terminal via the Internet and in which information desired by the customer is offered, has a customer information managing means for acquiring and managing customer information including chart information showing the living situation of the customer and shop information related to a shop used by the customer, a living support information storing means for supporting living support information which is offered by a plurality of information providers, supports the customer living and corresponds to the customer living situation, and an information providing means which retrieves the living support information stored in the living support information storing means based on a retrieval item inputted by the customer from the shop terminal and providing the living support information in regard to the retrieval item to the customer by displaying the retrieval results on the shop terminal.