A content delivery system for enabling users to easily search for a content and download a plurality of interesting contents at a predetermined price independently of the type of the contents and for paying consideration to the content creator depending on the access time, user evaluation, and the like. The system includes user terminals 3a,..., 3z which request for and receive contents, a plurality of delivery servers 5a,..., 5z which deliver image data input from a camera (TC) as a content to a user terminal and outputs the delivery start and end time as log data, log storage units 6a,..., 6z in which the time log data is recorded for each of the user terminals, and a management server (1a) for managing the user terminals and the delivery servers and calculating a connection time of each of the user terminals for each of the delivery servers according to the log data.
