Embodiments of the present disclosure disclose a node synchronization method and apparatus, and relate to the field of communications technologies, where the method includes: selecting, by a first node, at least one user equipment UE, where the UE is used to assist a second node to synchronize with the first node; and sending, by the first node, a notification message to the at least one UE, so that the at least one UE assists the second node to implement synchronization with the first node. The present disclosure is applicable to time synchronization between communications nodes.