This embodiments of the application provides a redirection method and a control plane network element to quickly obtain the content requested by a terminal device. The method may include obtaining, by a control plane network element, a content transmission request sent from a content server; determining, by the control plane network element based on the content transmission request, a cache node configured to store to-be-transmitted content and an aggregation user plane network element associated with the cache node. The method may also include sending, by the control plane network element, a traffic flow matching parameter to the aggregation user plane network element, where the traffic flow matching parameter is used to match a traffic flow of the to-be-transmitted content and determine a connection used to transmit a matched traffic flow.
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