The present invention relates to a method for receiving a control channel in a wireless communication system and a device therefor, the method comprising the step of detecting a first-type control channel in a control region of a specific subframe, wherein: when second-type control channel based scheduling transmitted through a data region of a subframe is configured for a terminal and the first-type control channel is detected from a resource region in which a first search space and a second search space overlap, it is determined that the first-type control channel is connected with the first search space; and the first search space is a search space commonly configured for a plurality of terminals, and the second search space is a search space specifically configured for the terminal.