A coordinated cell determining method, comprising: determining, by a first network device (101, 502), a cell in a disabled state in a plurality of cells (504, 505) that are covered by a second network device (102, 501), wherein the first network device (101, 502) is adjacent to the second network device (102, 501); and determining, by the first network device (101, 502), the cell in the disabled state as a coordinated cell, wherein the determining, by the first network device (101, 502), the cell in the disabled state in the plurality of cells (504, 505) that are covered by the second network device (102, 501) comprises: determining, by the first network device (101, 502) based on a measurement report sent by a first terminal, a first cell from the plurality of cells (504, 505) that are covered by the second network device (102, 501), wherein the measurement report indicates a cell in an enabled state in the plurality of cells (504, 505) that are covered by the second network device (102, 501), and the first cell is the cell in the enabled state; and determining, by the first network device (101, 502), a second cell as the cell in the disabled state if the first network device (101, 502) determines, based on the measurement report, that the second cell that is known to be in the plurality of cells (504, 505) covered by the second network device (102, 501) and that is in a same frequency band as the first cell is not detected by the first terminal. determining, by a first network device (101, 502), a cell in a disabled state in a plurality of cells (504, 505) that are covered by a second network device (102, 501), wherein the first network device (101, 502) is adjacent to the second network device (102, 501); and determining, by the first network device (101, 502), the cell in the disabled state as a coordinated cell, wherein the determining, by the first network device (101, 502), the cell in the disabled state in the plurality of cells (504, 505) that are covered by the second network device (102, 501) comprises: determining, by the first network device (101, 502) based on a measurement report sent by a first terminal, a first cell from the plurality of cells (504, 505) that are covered by the second network device (102, 501), wherein the measurement report indicates a cell in an enabled state in the plurality of cells (504, 505) that are covered by the second network device (102, 501), and the first cell is the cell in the enabled state; and determining, by the first network device (101, 502), a second cell as the cell in the disabled state if the first network device (101, 502) determines, based on the measurement report, that the second cell that is known to be in the plurality of cells (504, 505) covered by the second network device (102, 501) and that is in a same frequency band as the first cell is not detected by the first terminal. determining, by the first network device (101, 502) based on a measurement report sent by a first terminal, a first cell from the plurality of cells (504, 505) that are covered by the second network device (102, 501), wherein the measurement report indicates a cell in an enabled state in the plurality of cells (504, 505) that are covered by the second network device (102, 501), and the first cell is the cell in the enabled state; and determining, by the first network device (101, 502), a second cell as the cell in the disabled state if the first network device (101, 502) determines, based on the measurement report, that the second cell that is known to be in the plurality of cells (504, 505) covered by the second network device (102, 501) and that is in a same frequency band as the first cell is not detected by the first terminal.