A network access method, comprising: obtaining, by user equipment, UE, access information required for accessing a network in a first cell, and storing the access information, wherein the first cell is a cell comprised in a pre-stored list of the UE; determining, by the UE, that accessing a network in the first cell is required; and accessing, by the UE, a network in the first cell according to the stored access information; wherein before the obtaining, by the UE, the access information required for accessing the network in the first cell, the method further comprises: measuring, by the UE, signal quality of the first cell according to instruction information that is carried in configuration information sent by a network device, to obtain a first measurement result, wherein the instruction information is used to instruct to measure the signal quality of the first cell; and the obtaining, by the UE, the access information required for accessing the network in the first cell comprises: obtaining, by the UE, the access information when the UE determines that the first measurement result is greater than a preset threshold carried in the configuration information; wherein after the measuring, by the UE, the signal quality of the first cell according to the instruction information that is carried in the configuration information sent by the network device, to obtain the first measurement result, the method further comprises: storing, by the UE, the first measurement result, and starting a first timer, wherein an expiration time of the first timer indicates an effective time of the first measurement result; and before the accessing, by the UE, a network in the first cell according to the stored access information, the method further comprises: determining, by the UE, that the first timer does not stop timing. obtaining, by user equipment, UE, access information required for accessing a network in a first cell, and storing the access information, wherein the first cell is a cell comprised in a pre-stored list of the UE; determining, by the UE, that accessing a network in the first cell is required; and accessing, by the UE, a network in the first cell according to the stored access information; wherein before the obtaining, by the UE, the access information required for accessing the network in the first cell, the method further comprises: measuring, by the UE, signal quality of the first cell according to instruction information that is carried in configuration information sent by a network device, to obtain a first measurement result, wherein the instruction information is used to instruct to measure the signal quality of the first cell; and the obtaining, by the UE, the access information required for accessing the network in the first cell comprises: obtaining, by the UE, the access information when the UE determines that the first measurement result is greater than a preset threshold carried in the configuration information; wherein after the measuring, by the UE, the signal quality of the first cell according to the instruction information that is carried in the configuration information sent by the network device, to obtain the first measurement result, the method further comprises: storing, by the UE, the first measurement result, and starting a first timer, wherein an expiration time of the first timer indicates an effective time of the first measurement result; and before the accessing, by the UE, a network in the first cell according to the stored access information, the method further comprises: determining, by the UE, that the first timer does not stop timing. obtaining, by the UE, the access information when the UE determines that the first measurement result is greater than a preset threshold carried in the configuration information; wherein after the measuring, by the UE, the signal quality of the first cell according to the instruction information that is carried in the configuration information sent by the network device, to obtain the first measurement result, the method further comprises: storing, by the UE, the first measurement result, and starting a first timer, wherein an expiration time of the first timer indicates an effective time of the first measurement result; and before the accessing, by the UE, a network in the first cell according to the stored access information, the method further comprises: determining, by the UE, that the first timer does not stop timing. storing, by the UE, the first measurement result, and starting a first timer, wherein an expiration time of the first timer indicates an effective time of the first measurement result; and before the accessing, by the UE, a network in the first cell according to the stored access information, the method further comprises: determining, by the UE, that the first timer does not stop timing.