A handover method, comprising: sending, by a terminal device, path information of the terminal device to a network device, wherein the path information is usable to determine a first cell and indicates coordinates of a location at which the terminal device is already located, is to be located, or is being located, wherein the first cell is a candidate cell; receiving, by the terminal device, conditional handover, CHO, configuration information corresponding to the first cell from the network device; and determining, by the terminal device, a target cell based on the CHO configuration information corresponding to the first cell, wherein the CHO configuration information corresponding to the first cell is height-related and is height-granularity or height-interval-granularity CHO configuration information; and the method further includes: the terminal device determines, based on a height at which the terminal device is located, the CHO configuration information corresponding to the first cell; wherein the CHO configuration information corresponding to the first cell comprises a CHO execution condition and at least one of the following information: a cell radio network temporary identifier, C-RNTI, allocated by the first cell to the terminal device, resource information required by the terminal device for accessing the first cell, index information corresponding to the first cell, identification information of the first cell, and frequency information of the first cell; and wherein the first cell comprises one or more second cells that meet a corresponding CHO execution condition, and the determining, by the terminal device, a target cell based on CHO configuration information corresponding to the first cell comprises: determining, by the terminal device, the target cell from the one or more second cells. sending, by a terminal device, path information of the terminal device to a network device, wherein the path information is usable to determine a first cell and indicates coordinates of a location at which the terminal device is already located, is to be located, or is being located, wherein the first cell is a candidate cell; receiving, by the terminal device, conditional handover, CHO, configuration information corresponding to the first cell from the network device; and determining, by the terminal device, a target cell based on the CHO configuration information corresponding to the first cell, wherein the CHO configuration information corresponding to the first cell is height-related and is height-granularity or height-interval-granularity CHO configuration information; and the method further includes: the terminal device determines, based on a height at which the terminal device is located, the CHO configuration information corresponding to the first cell; wherein the CHO configuration information corresponding to the first cell comprises a CHO execution condition and at least one of the following information: a cell radio network temporary identifier, C-RNTI, allocated by the first cell to the terminal device, resource information required by the terminal device for accessing the first cell, index information corresponding to the first cell, identification information of the first cell, and frequency information of the first cell; and wherein the first cell comprises one or more second cells that meet a corresponding CHO execution condition, and the determining, by the terminal device, a target cell based on CHO configuration information corresponding to the first cell comprises: determining, by the terminal device, the target cell from the one or more second cells. a cell radio network temporary identifier, C-RNTI, allocated by the first cell to the terminal device, resource information required by the terminal device for accessing the first cell, index information corresponding to the first cell, identification information of the first cell, and frequency information of the first cell; and wherein the first cell comprises one or more second cells that meet a corresponding CHO execution condition, and the determining, by the terminal device, a target cell based on CHO configuration information corresponding to the first cell comprises: determining, by the terminal device, the target cell from the one or more second cells.