Disclosed herein is a method for transmitting and receiving data using an LTE-WLAN aggregation in a wireless communication system. The method performed by a terminal comprises transmitting status information to an access point (AP), receiving a specific packet for indicating an activation of the wireless LAN module from the AP, activating the wireless LAN module based on the specific packet, transmitting a response message indicating that the wireless LAN module is activated in response to the specific packet to the AP, and receiving downlink data through an unlicensed spectrum using the LTE-WLAN aggregation from AP.