An energy conservation management method, wherein the method comprises: selecting, by a policy server, a target scenario model from a plurality of scenario models based on a plurality of scenario attribute values of a target network, wherein any one of the plurality of scenario attribute values is an attribute value of a scenario attribute related to network power consumption of the target network, and at least one of the plurality of scenario attribute values comprises a plurality of attribute values of a corresponding scenario attribute that are collected at different times; configuring, by the policy server, a network device in the target network based on an energy conservation policy of the target scenario model, wherein each of the plurality of scenario models corresponds to one attribute list, and the attribute list comprises a plurality of scenario attribute value ranges; and the selecting a target scenario model from a plurality of scenario models based on a plurality of scenario attribute values of a target network comprises: selecting, as the target scenario model from the plurality of scenario models, a scenario model having a maximum degree of matching with the target network, wherein a matching degree of the target scenario model is determined based on a quantity of matched attribute values of the target scenario model, and the quantity of matched attribute values of the target scenario model is a quantity of scenario attribute values that are in the plurality of scenario attribute values and that fall within a corresponding scenario attribute value range in an attribute list of the target scenario model, wherein the degree of matching when selecting the target scenario model from the plurality of scenario models means a degree of matching between the plurality of scenario attribute values of the target network and a plurality of attribute value ranges in each scenario model. selecting, by a policy server, a target scenario model from a plurality of scenario models based on a plurality of scenario attribute values of a target network, wherein any one of the plurality of scenario attribute values is an attribute value of a scenario attribute related to network power consumption of the target network, and at least one of the plurality of scenario attribute values comprises a plurality of attribute values of a corresponding scenario attribute that are collected at different times; configuring, by the policy server, a network device in the target network based on an energy conservation policy of the target scenario model, wherein each of the plurality of scenario models corresponds to one attribute list, and the attribute list comprises a plurality of scenario attribute value ranges; and the selecting a target scenario model from a plurality of scenario models based on a plurality of scenario attribute values of a target network comprises: selecting, as the target scenario model from the plurality of scenario models, a scenario model having a maximum degree of matching with the target network, wherein a matching degree of the target scenario model is determined based on a quantity of matched attribute values of the target scenario model, and the quantity of matched attribute values of the target scenario model is a quantity of scenario attribute values that are in the plurality of scenario attribute values and that fall within a corresponding scenario attribute value range in an attribute list of the target scenario model, wherein the degree of matching when selecting the target scenario model from the plurality of scenario models means a degree of matching between the plurality of scenario attribute values of the target network and a plurality of attribute value ranges in each scenario model.