A transflective liquid crystal display device, comprising a plurality of pixel units, each pixel unit comprising a transmissive region and a reflective region adjacent to each other, the transflective liquid crystal display device comprising a first substrate and a second substrate disposed opposite to each other and a liquid crystal layer disposed between them, wherein a thickness of the liquid crystal layer in both the transmissive region and the reflective region is equal to each other; the transflective liquid crystal display device further comprising: a first surface electrode, a first pixel electrode, a second surface electrode and a second pixel electrode being disposed in the transmissive region, the first surface electrode and the first pixel electrode being disposed between the first substrate and the liquid crystal layer, and the second surface electrode and the second pixel electrode being disposed between the second substrate and the liquid crystal layer; a third surface electrode, a reflection layer and a third pixel electrode being disposed in the reflective region, and the third surface electrode, the reflection layer and the third pixel electrode being disposed between the first substrate and the liquid crystal layer; and transparent insulating layers disposed between the first surface electrode and the first pixel electrode, between the second surface electrode and the second pixel electrode, and between the third surface electrode and the third pixel electrode; wherein the first pixel electrode is located between the first surface electrode and the liquid crystal layer, the second pixel electrode is located between the second surface electrode and the liquid crystal layer, the reflection layer is located either between the third surface electrode and the liquid crystal layer while the third pixel electrode is located between the reflection layer and the liquid crystal layer, or between the third surface electrode and the transparent insulating layer on the first substrate; liquid crystal in the liquid crystal layer is blue phase liquid crystal; the transflective liquid crystal display being configured such that a magnitude of a voltage difference between driving voltages applied to each of the surface electrodes and the corresponding pixel electrode, each pair of which constitutes an Advanced Dimension Switch mode, is in linear relationship with the birefringence difference generated in the liquid crystal layer, and such that the phase retardation in transmissive region for a transmitted light is the same or approximately same as the phase retardation in the reflective region for a reflected light; and the first pixel electrode, the second pixel electrode and the third pixel electrode are strip-shaped electrodes. a first surface electrode, a first pixel electrode, a second surface electrode and a second pixel electrode being disposed in the transmissive region, the first surface electrode and the first pixel electrode being disposed between the first substrate and the liquid crystal layer, and the second surface electrode and the second pixel electrode being disposed between the second substrate and the liquid crystal layer; a third surface electrode, a reflection layer and a third pixel electrode being disposed in the reflective region, and the third surface electrode, the reflection layer and the third pixel electrode being disposed between the first substrate and the liquid crystal layer; and transparent insulating layers disposed between the first surface electrode and the first pixel electrode, between the second surface electrode and the second pixel electrode, and between the third surface electrode and the third pixel electrode; wherein the first pixel electrode is located between the first surface electrode and the liquid crystal layer, the second pixel electrode is located between the second surface electrode and the liquid crystal layer, the reflection layer is located either between the third surface electrode and the liquid crystal layer while the third pixel electrode is located between the reflection layer and the liquid crystal layer, or between the third surface electrode and the transparent insulating layer on the first substrate; liquid crystal in the liquid crystal layer is blue phase liquid crystal; the transflective liquid crystal display being configured such that a magnitude of a voltage difference between driving voltages applied to each of the surface electrodes and the corresponding pixel electrode, each pair of which constitutes an Advanced Dimension Switch mode, is in linear relationship with the birefringence difference generated in the liquid crystal layer, and such that the phase retardation in transmissive region for a transmitted light is the same or approximately same as the phase retardation in the reflective region for a reflected light; and the first pixel electrode, the second pixel electrode and the third pixel electrode are strip-shaped electrodes.