A method for supporting time-sensitive communication, performed by a UE and characterized by comprising: transmitting first information to a target end; wherein the first information comprises: first capability information of a terminal UE; wherein the first capability information of the UE comprises at least one of the following: processing delay information of the UE, and transmission propagation delay related information of the UE; wherein the transmission propagation delay related information of the UE comprises: a transmission propagation delay of the port, and the processing delay information of the UE comprises: a processing delay of the UE; wherein the processing delay of the UE comprises at least one of the following: a time required for transferring a data packet from a UU interface of the UE to a bridge port of the UE; and a time required for transferring a data packet from the bridge port of the UE to the UU interface of the UE; wherein the target end forms a bridge with the UE, and the target end comprises a core network, CN, network element, which is used to perform a first operation based on the first information. transmitting first information to a target end; wherein the first information comprises: first capability information of a terminal UE; wherein the first capability information of the UE comprises at least one of the following: processing delay information of the UE, and transmission propagation delay related information of the UE; wherein the transmission propagation delay related information of the UE comprises: a transmission propagation delay of the port, and the processing delay information of the UE comprises: a processing delay of the UE; wherein the processing delay of the UE comprises at least one of the following: a time required for transferring a data packet from a UU interface of the UE to a bridge port of the UE; and a time required for transferring a data packet from the bridge port of the UE to the UU interface of the UE; wherein the target end forms a bridge with the UE, and the target end comprises a core network, CN, network element, which is used to perform a first operation based on the first information. first capability information of a terminal UE; wherein the first capability information of the UE comprises at least one of the following: processing delay information of the UE, and transmission propagation delay related information of the UE; wherein the transmission propagation delay related information of the UE comprises: a transmission propagation delay of the port, and the processing delay information of the UE comprises: a processing delay of the UE; wherein the processing delay of the UE comprises at least one of the following: a time required for transferring a data packet from a UU interface of the UE to a bridge port of the UE; and a time required for transferring a data packet from the bridge port of the UE to the UU interface of the UE; wherein the target end forms a bridge with the UE, and the target end comprises a core network, CN, network element, which is used to perform a first operation based on the first information. processing delay information of the UE, and transmission propagation delay related information of the UE; wherein the transmission propagation delay related information of the UE comprises: a transmission propagation delay of the port, and the processing delay information of the UE comprises: a processing delay of the UE; wherein the processing delay of the UE comprises at least one of the following: a time required for transferring a data packet from a UU interface of the UE to a bridge port of the UE; and a time required for transferring a data packet from the bridge port of the UE to the UU interface of the UE; wherein the target end forms a bridge with the UE, and the target end comprises a core network, CN, network element, which is used to perform a first operation based on the first information. a time required for transferring a data packet from a UU interface of the UE to a bridge port of the UE; and a time required for transferring a data packet from the bridge port of the UE to the UU interface of the UE; wherein the target end forms a bridge with the UE, and the target end comprises a core network, CN, network element, which is used to perform a first operation based on the first information.