Abstract: A method and a system for selecting Quality of Service (QoS) policy, the method including: setting QoS policy processing information in a QPH; receiving, by a QoS Manager (QM), a QoS request from a CP, selecting a QPH to provide QoS policy for a traffic stream according to the processing information of each QPH in a home network, and providing QoS policy to the traffic stream according to the QoS policy of the selected QPH. Through the method and the system of the present invention, the problem that only the QoS policy of the QPH specified by the CP or the default QoS policy can be used as the QoS policy of the traffic stream when multiple QPHs exist in the home network is solved.