A radio access network slice generation method, comprising: receiving, by a radio access network (201, 601), a radio access network slice generation request message sent by a slice manager (207, 607), wherein the radio access network slice generation request message comprises information about a service type and information about the protocol, stack that corresponds to the service type; and generating, by the radio access network (201, 601), the radio access network slice, wherein the protocol stack corresponding to the service type is configured for the radio access network slice; wherein before the generating, by the radio access network (201, 601), the radio access network slice, the method further comprises: sending, by the radio access network (201, 601), a radio access network slice access request message to a gateway (203, 205, 603, 605), wherein the radio access network slice access request message comprises the service type; and receiving, by the radio access network (201, 601), a radio access network slice access response message sent by the gateway (203, 205, 603, 605), wherein the radio access network slice access response message is used to indicate that the gateway (203, 205, 603, 605) allows access of the radio access network slice; and wherein after the generating, by the radio access network (201, 601), the radio access network slice, the method further includes: sending, by the radio access network, a radio access network slice generation response message to the slice manager (207, 607), where the radio access network slice generation response message is used to indicate that the radio access network generates the radio access network slice. receiving, by a radio access network (201, 601), a radio access network slice generation request message sent by a slice manager (207, 607), wherein the radio access network slice generation request message comprises information about a service type and information about the protocol, stack that corresponds to the service type; and generating, by the radio access network (201, 601), the radio access network slice, wherein the protocol stack corresponding to the service type is configured for the radio access network slice; wherein before the generating, by the radio access network (201, 601), the radio access network slice, the method further comprises: sending, by the radio access network (201, 601), a radio access network slice access request message to a gateway (203, 205, 603, 605), wherein the radio access network slice access request message comprises the service type; and receiving, by the radio access network (201, 601), a radio access network slice access response message sent by the gateway (203, 205, 603, 605), wherein the radio access network slice access response message is used to indicate that the gateway (203, 205, 603, 605) allows access of the radio access network slice; and wherein after the generating, by the radio access network (201, 601), the radio access network slice, the method further includes: sending, by the radio access network, a radio access network slice generation response message to the slice manager (207, 607), where the radio access network slice generation response message is used to indicate that the radio access network generates the radio access network slice. sending, by the radio access network (201, 601), a radio access network slice access request message to a gateway (203, 205, 603, 605), wherein the radio access network slice access request message comprises the service type; and receiving, by the radio access network (201, 601), a radio access network slice access response message sent by the gateway (203, 205, 603, 605), wherein the radio access network slice access response message is used to indicate that the gateway (203, 205, 603, 605) allows access of the radio access network slice; and wherein after the generating, by the radio access network (201, 601), the radio access network slice, the method further includes: sending, by the radio access network, a radio access network slice generation response message to the slice manager (207, 607), where the radio access network slice generation response message is used to indicate that the radio access network generates the radio access network slice.