The present invention relates to a method for a terminal transreceiving data with a base station in a medical body area network (MBAN) comprising the following steps: receiving from the base station information on an available channel list, which shows at least one available channel from a second frequency band, through a first frequency band channel switching from one channel from the first frequency band to one of the available channels from the second frequency band based on the information on the available channel list and transreceiving data with the base station through the available channel to which the channel is switched.
