An area-triggered location service method, comprising: receiving, by a location service server, area-triggered location service request information; saving, by the location service server, identification information of a location service terminal and a triggered report condition carried in the area-triggered location service request information; sending, by the location service server, a subscription instruction to the location service terminal according to the identification information of the location service terminal, so that the location service terminal reports location information of a cell in which the location service terminal is located after receiving the subscription instruction; receiving, by the location service server, the cell location information reported by the location service terminal; and judging, by the location service server, whether the cell location information meets the triggered report condition, and sending area-triggered notification information of the location service terminal if the cell location information meets the triggered report condition, characterized in that the location service terminal reports location information of a cell in which the location service terminal is located after receiving the subscription instruction further comprises: the location service terminal reports location information of a cell in which the location service terminal is located after detecting the occurence of cell handover or area handover according to the subscription instruction. receiving, by a location service server, area-triggered location service request information; saving, by the location service server, identification information of a location service terminal and a triggered report condition carried in the area-triggered location service request information; sending, by the location service server, a subscription instruction to the location service terminal according to the identification information of the location service terminal, so that the location service terminal reports location information of a cell in which the location service terminal is located after receiving the subscription instruction; receiving, by the location service server, the cell location information reported by the location service terminal; and judging, by the location service server, whether the cell location information meets the triggered report condition, and sending area-triggered notification information of the location service terminal if the cell location information meets the triggered report condition, characterized in that the location service terminal reports location information of a cell in which the location service terminal is located after receiving the subscription instruction further comprises: the location service terminal reports location information of a cell in which the location service terminal is located after detecting the occurence of cell handover or area handover according to the subscription instruction. the location service terminal reports location information of a cell in which the location service terminal is located after detecting the occurence of cell handover or area handover according to the subscription instruction.