The present invention provides a method and a device capable of controlling, at one time, home devices constituting a home network by using a mobile terminal in a home network system. Particularly, the present invention provides a method and a device capable of controlling, at one time, home devices according to a content type. A method for reproducing content in a home network system, according to one embodiment of the present invention, is a method for reproducing content in a home gateway of a home network system, the method comprising the steps of: receiving, from a mobile terminal, a control command for requesting content being reproduced in the mobile terminal to be continuously reproduced; and controlling at least one home device according to the control command.