To improve convenience of a user when the same is in a purchasing activity.

An information provision system 1 comprises: code reading means 11 to read a code symbol 5 which is attached to a commodity 3 on exhibit in a shop 2 and records information on the commodity; information input means 12 to enable the information indicating external quality of an actual commodity confirmed by a user as well as the information that cannot be read by the code reading means to be input through an input operation of the user; information management means 13 to manage at least a type, a price, the shop and the external quality of the commodity by interrelating the same each other based on the information acquired by the code reading means and the information input means; and information provision means 14 to selectively provide the information on the commodity where the price and the external quality thereof satisfy a predetermined criteria based on the information managed by the information management means.