Abstract: The system stores information about a point card. When a user of the system goes out of his/her residence, the system finds a store at which the point card can be used. The system also determines whether the store is located within a predetermined distance from a current location of the user. The system informs the user of whether the point card has expired or not.

Abstract: To provide an information assisting system, an information assisting method, an information terminal apparatus, and an information assisting apparatus capable of improving convenience to a user. Positioning device for determining a current position of a cellular phone serving as an information terminal apparatus is provided, and an agent function is provided to at least one of the cellular phone and a server serving as an information assisting apparatus, which communicate with each other via a mobile communication network. The agent function judges the circumstance of the user by comparing information on an action plan of the user with information on the current position of the information terminal apparatus which moves along with the user, and upon judging an occurrence of a trouble which affects the action plan of the user, the agent function provides the user with proper information and continues to assist the user in a suitable manner until the desired purpose of the user is achieved.