Provided in an embodiment of the present invention are a method and user equipment (UE) for reestablishing an RRC connection. The method of the embodiment of the present invention includes a UE having experienced a connection failure initiates a request for reestablishing an RRC connection in a selected reestablishment cell, and when determining that the reestablishment cell does not meet a preset cell selection criterion or the UE did not receive an RRC connection reestablishment command transmitted by the network side device that the reestablishment cell belongs to, the UE determines not to carry, in the information related to the connection failure and stored by the UE, the identifier information of the reestablishment cell, or not to store any information related to the connection failure.