Billing control method and device

The invention discloses a billing control method and device. The billing control method comprises the following steps: a packet data network gateway acquires a billing policy based on the access network from a home subscriber server; the packet data network gateway conducts billing control over UE accessed from different access networks according to the billing policy. The invention solves the problem that in related technologies, the billing policy can not be distinguished when users access EPC (Evolved Packet Core) through different access networks, provides a technical support for the billing control according to different access networks, and widens the application range and improves the flexibility of the billing control.