A method for a channel state measurement in a wireless communication system according to an embodiment of the present disclosure is performed by a terminal, and may comprise the steps of: receiving a resource setting related to a reference signal for the channel state measurement from a base station; receiving information related to the number of transport layers of the base station at the time of the channel state measurement or the number of transport layers of the base station at the time of scheduling on the basis of the channel state measurement; and performing the channel state measurement by using the received information.