A fringe-field-switching mode liquid crystal display panel, comprising: a first substrate and a second substrate facing each other, and a liquid crystal layer sandwiched between the first substrate and the second substrate, on a surface of the first substrate facing the second substrate, there is provided a plurality of first supporting portions (321, 322, 323, 324, 325) parallel to each other and protruding toward the second substrate, and first grooves are formed between the adjacent first supporting portions (321, 322, 323, 324, 325); a first lower electrode, a first insulating layer and a first upper electrode, which are formed sequentially on a surface of the plurality of first supporting portions (321, 322, 323, 324, 325) and a surface of the first grooves facing the second substrate; on a surface of the second substrate facing the first substrate, there is provided a plurality of second supporting portions (331, 332, 333, 334, 335) parallel to each other and protruding toward the first substrate, and second grooves are formed between the adjacent second supporting portions (331, 332, 333, 334, 335); a second lower electrode, a second insulating layer and a second upper electrode, which are formed sequentially on a surface of the plurality of second supporting portions (331, 332, 333, 334, 335) and a surface of the second grooves facing the first substrate; wherein the first supporting portions (321, 322, 323, 324, 325) and the second supporting portions (331, 332, 333, 334, 335) are provided oppositely; the first upper electrode comprises a plurality of strip-like first sub-electrodes (341, 342) parallel to each other and spaced from each other, and the second upper electrode comprises a plurality of strip-like second sub-electrodes (351, 352) parallel to each other and spaced from each other; at every other one of the first supporting portions (321, 322, 323, 324, 325), one of the first sub-electrodes (341, 342) is provided thereon; and at every other one of the second supporting portions (331, 332, 333, 334, 335), one of the second sub-electrodes (351, 352) is provided thereon; and the first sub-electrodes (341, 342) and the second sub-electrodes (351, 352) face each other in one-to-one correspondence. a first substrate and a second substrate facing each other, and a liquid crystal layer sandwiched between the first substrate and the second substrate, on a surface of the first substrate facing the second substrate, there is provided a plurality of first supporting portions (321, 322, 323, 324, 325) parallel to each other and protruding toward the second substrate, and first grooves are formed between the adjacent first supporting portions (321, 322, 323, 324, 325); a first lower electrode, a first insulating layer and a first upper electrode, which are formed sequentially on a surface of the plurality of first supporting portions (321, 322, 323, 324, 325) and a surface of the first grooves facing the second substrate; on a surface of the second substrate facing the first substrate, there is provided a plurality of second supporting portions (331, 332, 333, 334, 335) parallel to each other and protruding toward the first substrate, and second grooves are formed between the adjacent second supporting portions (331, 332, 333, 334, 335); a second lower electrode, a second insulating layer and a second upper electrode, which are formed sequentially on a surface of the plurality of second supporting portions (331, 332, 333, 334, 335) and a surface of the second grooves facing the first substrate; wherein the first supporting portions (321, 322, 323, 324, 325) and the second supporting portions (331, 332, 333, 334, 335) are provided oppositely; the first upper electrode comprises a plurality of strip-like first sub-electrodes (341, 342) parallel to each other and spaced from each other, and the second upper electrode comprises a plurality of strip-like second sub-electrodes (351, 352) parallel to each other and spaced from each other; at every other one of the first supporting portions (321, 322, 323, 324, 325), one of the first sub-electrodes (341, 342) is provided thereon; and at every other one of the second supporting portions (331, 332, 333, 334, 335), one of the second sub-electrodes (351, 352) is provided thereon; and the first sub-electrodes (341, 342) and the second sub-electrodes (351, 352) face each other in one-to-one correspondence.