A method for configuring a physical uplink control channel, PUCCH, resource set comprising: determining, by a terminal device, a target time-domain structure; determining, by the terminal device, a group of PUCCH resource sets corresponding to the target time-domain structure; wherein a group of PUCCH resource sets is respectively configured for a different time-domain structure; and determining, by the terminal device, a PUCCH resource set from a group of PUCCH resource sets corresponding to the target time-domain structure, and determining, by the terminal device, a PUCCH resource from the determined PUCCH resource set, wherein the determined PUCCH resource is used for transmitting uplink control information, UCI; wherein the determining, by the terminal device, the target time-domain structure comprises: determining, by the terminal device, an intra-slot structure, and determining the target time-domain structure according to the intra-slot structure; wherein the intra-slot structure comprises: a first intra-slot structure and at least one of the following: a second intra-slot structure, a third intra-slot structure, and a fourth intra-slot structure; wherein in the first intra-slot structure, a slot comprises only one time-domain structure therein, and the time-domain structure comprises 14 symbols therein; in the second intra-slot structure, a slot comprises 2 time-domain structures therein, and each time-domain structure comprises 7 symbols therein; in the third intra-slot structure, a slot comprises 4 time-domain structures therein, and each time-domain structure comprises 3 or 4 symbols therein; and in the fourth intra-slot structure, a slot comprises 7 time-domain structures therein, and each time-domain structure comprises 2 symbols therein. determining, by a terminal device, a target time-domain structure; determining, by the terminal device, a group of PUCCH resource sets corresponding to the target time-domain structure; wherein a group of PUCCH resource sets is respectively configured for a different time-domain structure; and determining, by the terminal device, a PUCCH resource set from a group of PUCCH resource sets corresponding to the target time-domain structure, and determining, by the terminal device, a PUCCH resource from the determined PUCCH resource set, wherein the determined PUCCH resource is used for transmitting uplink control information, UCI; wherein the determining, by the terminal device, the target time-domain structure comprises: determining, by the terminal device, an intra-slot structure, and determining the target time-domain structure according to the intra-slot structure; wherein the intra-slot structure comprises: a first intra-slot structure and at least one of the following: a second intra-slot structure, a third intra-slot structure, and a fourth intra-slot structure; wherein in the first intra-slot structure, a slot comprises only one time-domain structure therein, and the time-domain structure comprises 14 symbols therein; in the second intra-slot structure, a slot comprises 2 time-domain structures therein, and each time-domain structure comprises 7 symbols therein; in the third intra-slot structure, a slot comprises 4 time-domain structures therein, and each time-domain structure comprises 3 or 4 symbols therein; and in the fourth intra-slot structure, a slot comprises 7 time-domain structures therein, and each time-domain structure comprises 2 symbols therein. determining, by the terminal device, an intra-slot structure, and determining the target time-domain structure according to the intra-slot structure; wherein the intra-slot structure comprises: a first intra-slot structure and at least one of the following: a second intra-slot structure, a third intra-slot structure, and a fourth intra-slot structure; wherein in the first intra-slot structure, a slot comprises only one time-domain structure therein, and the time-domain structure comprises 14 symbols therein; in the second intra-slot structure, a slot comprises 2 time-domain structures therein, and each time-domain structure comprises 7 symbols therein; in the third intra-slot structure, a slot comprises 4 time-domain structures therein, and each time-domain structure comprises 3 or 4 symbols therein; and in the fourth intra-slot structure, a slot comprises 7 time-domain structures therein, and each time-domain structure comprises 2 symbols therein. a first intra-slot structure and at least one of the following: a second intra-slot structure, a third intra-slot structure, and a fourth intra-slot structure; wherein in the first intra-slot structure, a slot comprises only one time-domain structure therein, and the time-domain structure comprises 14 symbols therein; in the second intra-slot structure, a slot comprises 2 time-domain structures therein, and each time-domain structure comprises 7 symbols therein; in the third intra-slot structure, a slot comprises 4 time-domain structures therein, and each time-domain structure comprises 3 or 4 symbols therein; and in the fourth intra-slot structure, a slot comprises 7 time-domain structures therein, and each time-domain structure comprises 2 symbols therein.