Method and apparatus for network access in wireless communication system supporting Isolated E-UTRAN Operation for Public Safety(IOPS)

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. Network access method of a terminal in a wireless communication system according to this disclosure includes the steps of: based on the operator information received from the base station performs the carrier selection; Upon receiving a tracking area update reject message including the predetermined information upon performing tracking area update, the method comprising that the selected operator recognizes that the network operation mode of a single base station; Selecting the authentication information for connecting to the web of the single-mode base station in the subscriber identification information storage unit; And it may include the step of connecting to the web of the single-mode base station using the selected authentication information.