Provided are a method and apparatus for processing Integrated Access and Backhaul (IAB) node information in an IAB network, including a second IAB node receives notification information transmitted by a first IAB node, where the notification information includes at least one of: notification information for notifying a connection handover event and/or a connection reestablishment event, and instruction information for instructing to perform Packet Data Convergence Protocol (PDCP) status reporting.