An LTE terminal, comprising:a determining module, used to determine, according to an occurred scenario, which one of the following four types is the failure reason of an RRC connection re-establishment: radio resource failure, handoff failure, bottom layer error or UE-related error; andan RRC connection re-establishment request initiating module, used to initiate an RRC connection re-establishment request to a network side according to the determining module's determination result, wherein the RRC connection re-establishment request includes a failure cause value indicating the failure reason.