Disclosed are a Radio Resource Control (RRC) state transition method, a terminal, a Centralized Unit (CU), a Distributed Unit (DU) and a computer-readable storage medium. The RRC state transition method includes: when a terminal changes from a current state to an RRC connected state, the terminal requests to resume an RRC connection by using an existing Signaling Radio Bearer (SRB) configuration; when the terminal receives a response from a Distributed Unit (DU) for request of resuming the RRC connection, if the response comprises a newly allocated SRB configuration, the terminal replaces the existing SRB configuration with the newly allocated SRB configuration to resume the RRC connection.