A matching method includes: accumulating log information indicating histories of operations performed on devices by users; receiving a request for information regarding use of a first device from an information requester being one of the users and using the first device; analyzing log information of the first device from among the log information accumulated in the accumulating; identifying, as an information provider candidate, at least one of the users using a second device by using the log information of the first device analyzed in the analyzing and log information of the second device being of the same type as the first device; notifying the information provider candidate of the request from the information requester; and notifying the information requester of provided information which is information regarding use of the first device and provided by the information provider candidate in response to the request.