A cell measurement method, wherein the method comprises: camping, by a terminal device , on a first cell; determining , by the terminal device , that the terminal device is in a target environment; obtaining , by the terminal device , signal strength of the first cell on which the terminal device camps; performing , by the terminal device , measurement on a second cell when the signal strength of the first cell is less than a first threshold and greater than a second threshold, wherein the second cell is a cell determined by the terminal device based on the target environment; when a measurement result of the second cell meets a cell handover condition, switching, by the terminal device , a cell on which the terminal device camps from the first cell to the second cell; and performing , by the terminal device , measurement on a third cell when the signal strength of the first cell is less than the second threshold, wherein the third cell comprises a neighboring cell of the first cell; wherein the terminal device comprises a first processor and a second processor, wherein the first processor of the terminal device sends a target measurement policy to the second processor of the terminal device , the first processor is configured to generate the target measurement policy, and the second processor is configured to execute the target measurement policy; and the target measurement policy comprises at least one of the first threshold, the second threshold, and cell information corresponding to at least one second cell; the second threshold is less than the first threshold, and the cell information corresponding to the second cell comprises at least one of a frequency corresponding to the second cell and a cell identifier corresponding to the second cell. camping, by a terminal device , on a first cell; determining , by the terminal device , that the terminal device is in a target environment; obtaining , by the terminal device , signal strength of the first cell on which the terminal device camps; performing , by the terminal device , measurement on a second cell when the signal strength of the first cell is less than a first threshold and greater than a second threshold, wherein the second cell is a cell determined by the terminal device based on the target environment; when a measurement result of the second cell meets a cell handover condition, switching, by the terminal device , a cell on which the terminal device camps from the first cell to the second cell; and performing , by the terminal device , measurement on a third cell when the signal strength of the first cell is less than the second threshold, wherein the third cell comprises a neighboring cell of the first cell; wherein the terminal device comprises a first processor and a second processor, wherein the first processor of the terminal device sends a target measurement policy to the second processor of the terminal device , the first processor is configured to generate the target measurement policy, and the second processor is configured to execute the target measurement policy; and the target measurement policy comprises at least one of the first threshold, the second threshold, and cell information corresponding to at least one second cell; the second threshold is less than the first threshold, and the cell information corresponding to the second cell comprises at least one of a frequency corresponding to the second cell and a cell identifier corresponding to the second cell. <EOS>