A charging processing method is provided and includes: obtaining QoS of a guaranteed data service of a user and a guarantee status of the QoS, performing charging processing on charging data of the guaranteed data service based on the information, when the guarantee status of the QoS changes or a guarantee notification switch status of the QoS changes, disabling a counter in a timely manner, and separately processing charging data that exists before the change and charging data that exists after the change. In this way, an operator can accurately perform charging on the guaranteed data service “based on the guarantee status”, to improve user experience. In addition, the operator can obtain revenue corresponding to occupied network resources.