Disclosed is a 5G or a pre-5G communication system to support a higher data transmission rate than a system after a 4G communication system such as LTE. A wireless communication method by a terminal according to one embodiment may include the operations of: identifying information indicating a type of each of multiple wireless networks, a strength of each of signals received from the multiple wireless networks, respectively, and power consumption of the terminal; selecting one wireless network among the multiple wireless networks on the basis of the information and the strength of each of current signals received from the multiple wireless networks, respectively; and communicating with the selected wireless network.