An interference coordination method, comprising: receiving, by a high altitude platform station, information, wherein the information comprises a location of a ground base station and a radius of a central area of a coverage area of the ground base station, and the central area of the coverage area of the ground base station is an area in which all carriers allocated to the ground base station can be used; wherein the method further comprises: calculating, by the high altitude platform station, an interference start time and an interference end time according to the location, the radius, and a flight parameter of the high altitude platform station, wherein the interference start time is a time at which the high altitude platform station starts to interfere with the ground base station, the interference end time is a time at which the high altitude platform station stops interfering with the ground base station, and the high altitude platform station moves based on the flight parameter; and sending, by the high altitude platform station, interference coordination information to the ground base station, wherein the interference coordination information comprises the interference start time, the interference end time, and a frequency band of a carrier, the carrier is used in both an edge area of a coverage area of the high altitude platform station and the central area of the coverage area of the ground base station, and the interference coordination information is used by the ground base station to adjust a coverage range of the carrier in the central area of the coverage area of the ground base station, so that the ground base station is not interfered with by the carrier of the high altitude platform station, wherein the edge area of the coverage area of the high altitude platform station is an area in which some carriers of all carriers allocated to the high altitude platform station can be used. receiving, by a high altitude platform station, information, wherein the information comprises a location of a ground base station and a radius of a central area of a coverage area of the ground base station, and the central area of the coverage area of the ground base station is an area in which all carriers allocated to the ground base station can be used; wherein the method further comprises: calculating, by the high altitude platform station, an interference start time and an interference end time according to the location, the radius, and a flight parameter of the high altitude platform station, wherein the interference start time is a time at which the high altitude platform station starts to interfere with the ground base station, the interference end time is a time at which the high altitude platform station stops interfering with the ground base station, and the high altitude platform station moves based on the flight parameter; and sending, by the high altitude platform station, interference coordination information to the ground base station, wherein the interference coordination information comprises the interference start time, the interference end time, and a frequency band of a carrier, the carrier is used in both an edge area of a coverage area of the high altitude platform station and the central area of the coverage area of the ground base station, and the interference coordination information is used by the ground base station to adjust a coverage range of the carrier in the central area of the coverage area of the ground base station, so that the ground base station is not interfered with by the carrier of the high altitude platform station, wherein the edge area of the coverage area of the high altitude platform station is an area in which some carriers of all carriers allocated to the high altitude platform station can be used. calculating, by the high altitude platform station, an interference start time and an interference end time according to the location, the radius, and a flight parameter of the high altitude platform station, wherein the interference start time is a time at which the high altitude platform station starts to interfere with the ground base station, the interference end time is a time at which the high altitude platform station stops interfering with the ground base station, and the high altitude platform station moves based on the flight parameter; and sending, by the high altitude platform station, interference coordination information to the ground base station, wherein the interference coordination information comprises the interference start time, the interference end time, and a frequency band of a carrier, the carrier is used in both an edge area of a coverage area of the high altitude platform station and the central area of the coverage area of the ground base station, and the interference coordination information is used by the ground base station to adjust a coverage range of the carrier in the central area of the coverage area of the ground base station, so that the ground base station is not interfered with by the carrier of the high altitude platform station, wherein the edge area of the coverage area of the high altitude platform station is an area in which some carriers of all carriers allocated to the high altitude platform station can be used.