Method, device and system for indicating PPC user

The invention provides a method, a device and a system for indicating a PCC (policy and charging control) user, and relates to the field of mobile communication. Through subscription information of a user, the method, the device and the system indicate the PCC user, making determination of the PCC user more reasonable, control granularity of the PCC user can be extended to the user or a user group, and when a user type changes, influence on a whole network is reduced. The method comprises: receiving information carrying indicating identification, the indicating identification being used to indicate whether a user to access is the PCC user; and establishing an IP connectivity access network (IP-CAN) session connection with a policy and charging rule function (PCRF). The method, the device and the system are used to indicate the PCC user.