According to one embodiment, an information distribution apparatus stores a characteristic information extracted arbitrary time-series data and relevant information in association of an information providing site on a communication line with each other, fetches characteristic information presented with a request for distribution through the line from a terminal, collates the fetched characteristic information with each characteristic information item of the stored associated information, determines the closest characteristic information, fetches relevant information associated with the characteristic information, and distributes the fetched relevant information to the terminal through the line.