PROBLEM TO BE SOLVED : To provide a lease-matching system that can provide an efficient means for searching for leasehold properties, by enabling a person searching for a leasehold property to select the terms desired for target property on the Internet home page, so that a real estate agent can negotiate with the landlord under designated conditions.SOLUTION : An efficient means for searching for leasehold property is provided by efficiently putting information combined with a database and e-mail into circulation between a network for a plurality of real estate agents and a person searching for leasehold property. Before actually making an application for leasehold property searching, a target location and floor plan can be selected on the home page, and typical rental prices on the basis of information stored in the database can be comprehended, so that the situation where unrealistic conditions being submitted and a property satisfying the desired terms being not found will hardly occur. Accordingly, both the person searching for leasehold property and the real estate agent searching for leasehold property will reduce time wasted, enabling efficient search to be conducted for leasehold property.