According to an embodiment of the present invention, a method by which a base station receives a measurement report in a wireless communication system using a carrier integration technique comprises the steps of: generating a cell list for a second cell according to whether the second cell to be added from a first cell belongs to the same cell group as the first cell; transmitting, to a terminal, a measurement report command including configuration information related to the cell list; and receiving, from the terminal, a measurement report of the second cell on the basis of the configuration information, if the second cell belongs to the same cell group as the first cell.