A method for automatically sharing an application among a plurality of clients according to the present invention comprises the following processes: receiving, from a request client, an application share request signal for sharing an application with an object client; receiving information on the capability of the object client; determining whether the application for which sharing has been requested and the object client are compatible with each other using the receiving information on the capability of the object client; and providing the object client with the application for which sharing has been requested in accordance with the result of the determination.