The method of saving network power in mobile communication systems

The present disclosure relates to 5G communication system to support higher data rates than the 4G system after the communication technique and system that fuses with the IoT technology. This disclosure is for the intelligent services (e.g., based on the 5G technologies and IoT related technologies, smart home, smart buildings, smart city, smart card, or, connected cars, health care, digital educational, retail, security and safety services, ) it can be applied to. The present invention relates to an operating method and apparatus between a terminal and a base station in the next generation mobile communication system, the number depending on the condition of a base station effectively reduce the electric power consumption network.