A method of measuring interference, wherein the method comprises: a network-side apparatus determining configuration information of a first group of Resource Elements, REs, for interference measurement; and the network-side apparatus generating first interference notification information according to the configuration information of the first group of REs and transmitting the first interference notification information to a user equipment to instruct the user equipment to determine the first group of REs according to the first interference notification information and to measure interference on the determined first group of REs by determining an average received power value on the first group of REs and taking the determined average power value as an interference estimation value; wherein the network-side apparatus generating first interference notification information comprises one of the following schemes: scheme 1: the network-side apparatus determining the first interference notification information corresponding to the configuration information of the first group of REs according to a correspondence relationship between the configuration information and the first interference notification information; wherein, the first interference notification information is determined by the network-side apparatus in a bitmap, or the first interference notification information is determined by the network-side apparatus according to an index of the first group of REs; and scheme 2: the network-side apparatus determining measurement set information and taking the determined measurement set information as the first interference notification information; and wherein the measurement set information includes configuration information of each second group of REs and a cell identifier of a cell corresponding to each second group of REs and configuration information of each first group of REs and a virtual cell identifier corresponding to each first group of REs, or the measurement set information includes only configuration information of each second group of REs and a cell identifier of a cell corresponding to each second group of REs; and wherein the second group of REs is a group of REs used to measure a channel of an adjacent cell. a network-side apparatus determining configuration information of a first group of Resource Elements, REs, for interference measurement; and scheme 1: the network-side apparatus determining the first interference notification information corresponding to the configuration information of the first group of REs according to a correspondence relationship between the configuration information and the first interference notification information; wherein, the first interference notification information is determined by the network-side apparatus in a bitmap, or the first interference notification information is determined by the network-side apparatus according to an index of the first group of REs; and scheme 2: the network-side apparatus determining measurement set information and taking the determined measurement set information as the first interference notification information; and wherein the measurement set information includes configuration information of each second group of REs and a cell identifier of a cell corresponding to each second group of REs and configuration information of each first group of REs and a virtual cell identifier corresponding to each first group of REs, or the measurement set information includes only configuration information of each second group of REs and a cell identifier of a cell corresponding to each second group of REs; and wherein the second group of REs is a group of REs used to measure a channel of an adjacent cell.