Disclosed are: a communication technique combining, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and subsequent systems; and a system therefor. The disclosed communication technique and system therefor can be applied to intelligent services (for example, services related to a smart home, a smart building, a smart city, a smart car or a connected car, health care, digital education, retail business, security, safety and the like) on the basis of 5G communication technology and IoT-related technology. A method for controlling standby power of a mobile terminal, of the present invention, comprises: detecting applications and services related to a background operation; classifying the detected applications and services according to characteristics; predicting use patterns for the applications and the services classified by the characteristics, in consideration of a user response to the applications and the services classified according to the characteristics; and controlling the applications and the services classified by the characteristics, on the basis of the applications and the services classified by the characteristics and the predicted use patterns.