A method, a system and an apparatus for synchronizing the stream between the bearer control layer and bearer layer devices. Bearer layer device returns information corresponding to the stream synchronizing information distributed by the resource manager RM of the bearer control layer back to the resource manager RM (101, 102); when the resource manager RM determines that there is information needed to be synchronized included in the information returned by bearer layer device (103), it compares the information with the one held by itself (105), and performs synchronization to the information within the bearer layer devices that need to be synchronized according to the result of the comparison.