The present invention relates to a device and method for selecting a multi-hop improvement path of a Wi-Fi cooperative communication relay, in which routing is possible in consideration of a transmission efficiency of a relay, and data required by a terminal is divided and provided by the relay. According to the present invention, a device for selecting a multi-hop improvement path of a Wi-Fi cooperative communication relay comprises: a first relay AP for transmitting or receiving data with a network; a second relay AP for transmitting or receiving data via the first relay AP; and a terminal for transmitting or receiving data via at least one of the first relay AP and the second relay AP.
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