Embodiments of the present invention provide a communication system and management method thereof. The communication system includes: a radio transceiving layer, including a radio transceiving node combination, where the radio transceiving node combination includes at least one type of the following: a macro cell RRU, a Pico cell RRU, and a Pico cell BRU; a local computing layer, including a local computing node, connected to a radio transceiving node in one or multiple neighboring radio transceiving node combinations and configured to execute all communication processing or a first part of communication processing of a cell corresponding to the local computing node; a centralized computing layer, including a centralized computing node, connected to the local computing node in the local computing layer and configured to execute a second part of communication processing, where the all communication processing includes the first part and second part of communication processing.