A slice information processing method, comprising: sending, by a management and control function network element, a first request to a data analytics function network element, wherein the first request requests first information of a slice network comprising at least one slice, and the first request comprises identity information of the at least one slice, wherein the management and control function network element is a policy control function, PCF, network element; and receiving, by the management and control function network element, a first response from the data analytics function network element, wherein the first response comprises the first information, and the first information is used for service control of each of the at least one slice, wherein the first information comprises at least one piece of service control information corresponding to each of the at least one slice, wherein each of the at least one piece of service control information comprises at least one of network area information and at least one piece of network slice instance information, wherein the network area information comprises at least one of cell identity, wherein each of the at least one piece of network slice instance information comprises identity information of a network slice instance and at least one piece of service configuration information, wherein each of the at least one piece of the service configuration information comprises a service identity, a maximum quantity of services that can be accommodated in a cell, and at least one piece of service experience range information, wherein each of the at least one piece of service experience range information comprises: a size of a service experience range, a maximum quantity of services that is within the service experience range and that can be accommodated in the cell, and at least one set of quality of service, QoS, parameters of the service experience range; implementing, by the management and control function network element, service control of the at least one slice based on the first information. sending, by a management and control function network element, a first request to a data analytics function network element, wherein the first request requests first information of a slice network comprising at least one slice, and the first request comprises identity information of the at least one slice, wherein the management and control function network element is a policy control function, PCF, network element; and receiving, by the management and control function network element, a first response from the data analytics function network element, wherein the first response comprises the first information, and the first information is used for service control of each of the at least one slice, wherein the first information comprises at least one piece of service control information corresponding to each of the at least one slice, wherein each of the at least one piece of service control information comprises at least one of network area information and at least one piece of network slice instance information, wherein the network area information comprises at least one of cell identity, wherein each of the at least one piece of network slice instance information comprises identity information of a network slice instance and at least one piece of service configuration information, wherein each of the at least one piece of the service configuration information comprises a service identity, a maximum quantity of services that can be accommodated in a cell, and at least one piece of service experience range information, wherein each of the at least one piece of service experience range information comprises: a size of a service experience range, a maximum quantity of services that is within the service experience range and that can be accommodated in the cell, and at least one set of quality of service, QoS, parameters of the service experience range; implementing, by the management and control function network element, service control of the at least one slice based on the first information.