A control information receiving method, comprising: receiving, from a base station and by a first user equipment comprised in a group of different user equipments, a cell radio network temporary identifier, C-RNTI, of a third user equipment in the group and first control information on a control channel of the first user equipment wherein the first control information includes at least one of resource allocation information, modulation and coding indication information, a hybrid automatic repeat request process number, new data indication information, a power control command of a physical uplink control channel, a cyclic shift sequence of a demodulation pilot, a power control command of a physical uplink data channel, a channel quality indicator, or data channel indication information; transceiving (42, 83), by the first user equipment, first data to/from the base station according to the first control information; and receiving (43, 81), by the first user equipment, first trigger information from the base station, wherein the first trigger information is used to instruct the first user equipment to transceive second data to/from the base station according to partial information or all information of the first control information wherein the receiving (43, 81), by the first user equipment, first trigger information from the base station comprises: receiving (43, 81), by the first user equipment, a first control message from the base station on a control channel of the third user equipment, wherein the first control message comprises the first trigger information wherein the first control message further comprises scheduling of a physical downlink shared channel specific to the third user equipment comprised in the group wherein a cyclic redundancy check of the first control message is scrambled using the C-RNTI of the third user equipment. receiving, from a base station and by a first user equipment comprised in a group of different user equipments, a cell radio network temporary identifier, C-RNTI, of a third user equipment in the group and first control information on a control channel of the first user equipment wherein the first control information includes at least one of resource allocation information, modulation and coding indication information, a hybrid automatic repeat request process number, new data indication information, a power control command of a physical uplink control channel, a cyclic shift sequence of a demodulation pilot, a power control command of a physical uplink data channel, a channel quality indicator, or data channel indication information; transceiving (42, 83), by the first user equipment, first data to/from the base station according to the first control information; and receiving (43, 81), by the first user equipment, first trigger information from the base station, wherein the first trigger information is used to instruct the first user equipment to transceive second data to/from the base station according to partial information or all information of the first control information wherein the receiving (43, 81), by the first user equipment, first trigger information from the base station comprises: receiving (43, 81), by the first user equipment, a first control message from the base station on a control channel of the third user equipment, wherein the first control message comprises the first trigger information wherein the first control message further comprises scheduling of a physical downlink shared channel specific to the third user equipment comprised in the group wherein a cyclic redundancy check of the first control message is scrambled using the C-RNTI of the third user equipment.