An electronic device according to an embodiment of the present invention comprises: a memory for storing a list including information related to the termination of one or more first applications of a plurality of applications included in the electronic device; and a processor, wherein the processor executes one or more second applications of the plurality of applications, checks contextual information associated with the electronic device, and, if the contextual information satisfies a specified condition, determines whether to terminate at least one executed application of the one or more executed second applications.