A method for setting connection line of communication system, network console and communication system. The communication system comprises a user device. The method includes: when a first radio resource control (RRC) connection line request message of the user device is received, judging whether the first RRC connection line request message has been received; if the first RRC connection line request message has been received, returning a first RRC connection line setting message to the user device, If the first RRC connection line request message have not been received, judging whether a small-sized honeycomb type access point is accessible near the user device; if one small-sized honeycomb type access point is accessible near the user device, returning the first RRC connection line refusing message to the user device, if no small-sized honeycomb type access point is accessible near the user device, returning the first RRC connection line setting message to the user device.