A method for detecting a downlink control channel, applied to a User Equipment, UE, and comprising: detecting, in a first downlink control channel, physical layer indication information sent by a base station; determining, according to the physical layer indication information, resource location information of a second downlink control channel carrying control information; and detecting the control information in the second downlink control channel according to the resource location information; wherein the detecting, in the first downlink control channel, the physical layer indication information sent by the base station comprises: acquiring a high-layer control signaling sent by the base station; determining, according to the high-layer control signaling, a transmission period and an offset of the physical layer indication information; determining, according to the transmission period and the offset, a subframe number of the downlink control channel carrying the physical layer indication information; and detecting the physical layer indication information sent by the base station, in the downlink control channel corresponding to the subframe number; characterized in that the determining, according to the transmission period and the offset, the subframe number of the downlink control channel carrying the physical layer indication information comprises: according to a formula idx mod T = offset, determining the subframe number of the downlink control channel carrying the physical layer indication information, wherein idx is the subframe number of the downlink control channel carrying the physical layer indication information, T is a transmission period of the indication information, and offset is the offset to send the indication information. detecting, in a first downlink control channel, physical layer indication information sent by a base station; determining, according to the physical layer indication information, resource location information of a second downlink control channel carrying control information; and detecting the control information in the second downlink control channel according to the resource location information; wherein the detecting, in the first downlink control channel, the physical layer indication information sent by the base station comprises: acquiring a high-layer control signaling sent by the base station; determining, according to the high-layer control signaling, a transmission period and an offset of the physical layer indication information; determining, according to the transmission period and the offset, a subframe number of the downlink control channel carrying the physical layer indication information; and detecting the physical layer indication information sent by the base station, in the downlink control channel corresponding to the subframe number; acquiring a high-layer control signaling sent by the base station; determining, according to the high-layer control signaling, a transmission period and an offset of the physical layer indication information; determining, according to the transmission period and the offset, a subframe number of the downlink control channel carrying the physical layer indication information; and detecting the physical layer indication information sent by the base station, in the downlink control channel corresponding to the subframe number; characterized in that the determining, according to the transmission period and the offset, the subframe number of the downlink control channel carrying the physical layer indication information comprises: according to a formula idx mod T = offset, determining the subframe number of the downlink control channel carrying the physical layer indication information, wherein idx is the subframe number of the downlink control channel carrying the physical layer indication information, T is a transmission period of the indication information, and offset is the offset to send the indication information.