In the present invention, provided is a method for verifying real property for sale by using metadata, the method which is performed by a computer and comprises the following steps : initiating registration of real property for sale; receiving input of address information of the real property for sale from a user; obtaining location information of the real property for sale corresponding to an address of the real property for sale stored in a real property location database; capturing a first type photograph with respect to the real property for sale; generating photographing location information and photographing time information of the first type photograph which are metadata of the first type photograph; capturing a second type photograph, different from the first type, with respect to the real property for sale; generating photographing time information of the second type photograph as metadata of the second type photograph; and transmitting registration information of the real property for sale including the location information of the real property for sale, the first type photograph, the second type photograph, and the metadata of the photographs to a server. The first type photograph is a photograph of the outside of the real property for sale and includes a photograph from which an address of the real property for sale can be visually identified. The second type photograph is a photograph of the inside of the real property for sale and includes a photograph from which an indoor environment of the real property for sale can be visually identified.(S301) Initiate registration of a real property for sale(S302) Receive input of address information of the real property for sale(S303) Obtain location information of the real property for sale(S304) Obtain current location information(S305) Capture a first type of a photograph for the real property for sale(S306) Generate metadata of the first type of the photograph(S307) Capture a second type of a photograph for the real property for sale(S308) Generate metadata of a second type of a photograph(S309) Store a hash value in an application database(S310) Verify photographs of the real property by using the hash value(S311) Transmit registration information of the real property for sale to a serverCOPYRIGHT KIPO 2018