To provide a method and system for collecting customer information capable of solving a problem or complication when the user of digital information obtains a password, and surely and efficiently collecting large amounts of reliable customer information at low costs.

The use permission of digital information is obtained by a third person other than a user who uses the digital information by down-loading it so that the individual information of the user can be collected as customer information by the third person other than the user in this method for collecting customer information. This method is provided with a step for receiving the intention of a user indicating the use of the digital information from the user, a step for promoting the user who indicates this intention to input his or her own individual information being customer information, a step for collecting and accumulating the inputted customer information, and a step for transmitting a password so that the digital information can be made available to the user.