A Policy and Charging Rules Function (PCRF) management method includes: acquiring information about a policy control session corresponding to a data connection, where the information about the policy control session includes information about policy control session release or result information about policy control session setup, and managing a mapping relation between the data connection and a PCRF according to the information about the policy control session corresponding to the data connection. A management network element includes: a policy control session information acquiring unit, adapted to acquire the information about a policy control session corresponding to a data connection, where the information about the policy control session includes information about policy control session release or result information about policy control session setup; and a managing unit, adapted to manage a mapping relation between the data connection and a PCRF according to the information about the policy control session corresponding to the data connection.