A multi-standard network convergence method, wherein the method comprises: acquiring a Radio Link Control, RLC, packet, characterized by acquiring an access category, AC, mapping parameter corresponding to the RLC packet; performing encapsulation on the AC mapping parameter and the RLC packet to form an encapsulated packet; and forwarding the encapsulated packet to a second network, so that the second network acquires a corresponding AC according to the AC mapping parameter in the encapsulated packet, and places the RLC packet into a transmission queue corresponding to the AC for transmission, wherein the acquiring an access category, AC, mapping parameter corresponding to the RLC packet comprises: acquiring a Quality of Service, QoS, class identifier, QCI, of the RLC packet from a Packet Data Convergence Protocol PDCP layer, and using the QCI as the acquired AC mapping parameter or mapping the QCI to an AC, and using an AC index as the acquired AC mapping parameter, wherein the AC index corresponds to the AC and is obtained after the mapping; and the performing encapsulation on the AC mapping parameter and the RLC packet to form an encapsulated packet comprises: adding the QCI or the AC index into a customized packet header, and performing encapsulation on the customized packet header and the RLC packet to form the encapsulated packet. acquiring a Radio Link Control, RLC, packet, characterized by acquiring an access category, AC, mapping parameter corresponding to the RLC packet; performing encapsulation on the AC mapping parameter and the RLC packet to form an encapsulated packet; and forwarding the encapsulated packet to a second network, so that the second network acquires a corresponding AC according to the AC mapping parameter in the encapsulated packet, and places the RLC packet into a transmission queue corresponding to the AC for transmission, wherein the acquiring an access category, AC, mapping parameter corresponding to the RLC packet comprises: acquiring a Quality of Service, QoS, class identifier, QCI, of the RLC packet from a Packet Data Convergence Protocol PDCP layer, and using the QCI as the acquired AC mapping parameter or mapping the QCI to an AC, and using an AC index as the acquired AC mapping parameter, wherein the AC index corresponds to the AC and is obtained after the mapping; and the performing encapsulation on the AC mapping parameter and the RLC packet to form an encapsulated packet comprises: adding the QCI or the AC index into a customized packet header, and performing encapsulation on the customized packet header and the RLC packet to form the encapsulated packet. acquiring a Quality of Service, QoS, class identifier, QCI, of the RLC packet from a Packet Data Convergence Protocol PDCP layer, and using the QCI as the acquired AC mapping parameter or mapping the QCI to an AC, and using an AC index as the acquired AC mapping parameter, wherein the AC index corresponds to the AC and is obtained after the mapping; and the performing encapsulation on the AC mapping parameter and the RLC packet to form an encapsulated packet comprises: adding the QCI or the AC index into a customized packet header, and performing encapsulation on the customized packet header and the RLC packet to form the encapsulated packet.