A coordinated multi-point transmission method, the method comprising: receiving, by a Coordinated Multi-point, CoMP, serving cell, assistance information transmitted by a CoMP assisting point via an inter-cell interface, the assistance information is utilized for assisting the CoMP serving cell in making a CoMP decision; wherein the assistance information comprises one of the following schemes: scheme 1: Reference Signal Receiving Power, RSRP, and/or Reference Signal Receiving Quality, RSRQ, measurement results and their corresponding cell identifiers, reported by a User Equipment, UE; and Channel State Information, CSI, measurement results in a CoMP measurement set reported by the UE; wherein the RSRP and/or RSRQ measurement results and their corresponding cell identifiers assist the CoMP serving cell in determining the CoMP measurement set, and the CSI measurement results in the CoMP measurement set assist the CoMP serving cell in determining a CoMP cooperating set and a CoMP algorithm; or scheme 2: RSRP and/or RSRQ measurement results and their corresponding cell identifiers, reported by the UE, wherein the RSRP and/or RSRQ measurement results and their corresponding cell identifiers assist the CoMP serving cell in determining a CoMP measurement set; or scheme 3: a CoMP measurement set determined by the CoMP assisting point from the RSRP and/or RSRQ measurement results and their corresponding cell identifiers, reported by the UE; and CSI measurement results in the CoMP measurement set reported by the UE; wherein the CoMP measurement set assists the CoMP serving cell in obtaining the CSI measurement results in the CoMP measurement set, and the CSI measurement results in the CoMP measurement set assist the CoMP serving cell in determining a CoMP cooperating set and a CoMP algorithm; or scheme 4: a CoMP measurement set determined by the CoMP assisting point from the RSRP and/or RSRQ measurement results and their corresponding cell identifiers, reported by the UE, wherein the CoMP measurement set assists the CoMP serving cell in obtaining CSI measurement results in the CoMP measurement set or assists the CoMP serving cell in obtaining Sound Reference Signal, SRS, detection results in the CoMP measurement set. scheme 1: Reference Signal Receiving Power, RSRP, and/or Reference Signal Receiving Quality, RSRQ, measurement results and their corresponding cell identifiers, reported by a User Equipment, UE; and Channel State Information, CSI, measurement results in a CoMP measurement set reported by the UE; wherein the RSRP and/or RSRQ measurement results and their corresponding cell identifiers assist the CoMP serving cell in determining the CoMP measurement set, and the CSI measurement results in the CoMP measurement set assist the CoMP serving cell in determining a CoMP cooperating set and a CoMP algorithm; or scheme 2: RSRP and/or RSRQ measurement results and their corresponding cell identifiers, reported by the UE, wherein the RSRP and/or RSRQ measurement results and their corresponding cell identifiers assist the CoMP serving cell in determining a CoMP measurement set; or scheme 3: a CoMP measurement set determined by the CoMP assisting point from the RSRP and/or RSRQ measurement results and their corresponding cell identifiers, reported by the UE; and CSI measurement results in the CoMP measurement set reported by the UE; wherein the CoMP measurement set assists the CoMP serving cell in obtaining the CSI measurement results in the CoMP measurement set, and the CSI measurement results in the CoMP measurement set assist the CoMP serving cell in determining a CoMP cooperating set and a CoMP algorithm; or scheme 4: a CoMP measurement set determined by the CoMP assisting point from the RSRP and/or RSRQ measurement results and their corresponding cell identifiers, reported by the UE, wherein the CoMP measurement set assists the CoMP serving cell in obtaining CSI measurement results in the CoMP measurement set or assists the CoMP serving cell in obtaining Sound Reference Signal, SRS, detection results in the CoMP measurement set.