A flexible display screen comprising: an array substrate comprising at least one target region, the array substrate further comprising: a plurality of storage capacitors (Cst) in each target region, each of the storage capacitors being formed by a first electrode-plate and a second electrode-plate, and the second electrode-plate is opposite to the first electrode-plate; a detecting signal terminal; and a detecting electrode-plate; a light emitting device on a side of the array substrate; the flexible display screen being characterized in that it comprises: an elastic conductor layer on the other side of the array substrate, wherein the array substrate further comprises a target electrode-plate, the target electrode-plate comprises a plurality of first electrode-plates of the plurality of storage capacitors (Cst) in the same target region, the target electrode-plate is electrically connected to the detecting signal terminal, and the detecting electrode-plate comprises at least the target electrode-plate; wherein the elastic conductor layer comprises a thin film elastomer layer and a thin film conductor layer which are sequentially disposed in a direction distal to the array substrate, and the thin film elastomer layer is an insulating layer; and wherein the array substrate is configured to form a bending detection capacitor between the detecting electrode-plate and the thin film conductor layer, wherein the flexible display screen is adapted to provide a detecting signal to the detecting signal terminal. an array substrate comprising at least one target region, the array substrate further comprising: a plurality of storage capacitors (Cst) in each target region, each of the storage capacitors being formed by a first electrode-plate and a second electrode-plate, and the second electrode-plate is opposite to the first electrode-plate; a detecting signal terminal; and a detecting electrode-plate; a plurality of storage capacitors (Cst) in each target region, each of the storage capacitors being formed by a first electrode-plate and a second electrode-plate, and the second electrode-plate is opposite to the first electrode-plate; a detecting signal terminal; and a detecting electrode-plate; a light emitting device on a side of the array substrate; the flexible display screen being characterized in that it comprises: an elastic conductor layer on the other side of the array substrate, wherein the array substrate further comprises a target electrode-plate, the target electrode-plate comprises a plurality of first electrode-plates of the plurality of storage capacitors (Cst) in the same target region, the target electrode-plate is electrically connected to the detecting signal terminal, and the detecting electrode-plate comprises at least the target electrode-plate; wherein the elastic conductor layer comprises a thin film elastomer layer and a thin film conductor layer which are sequentially disposed in a direction distal to the array substrate, and the thin film elastomer layer is an insulating layer; and wherein the array substrate is configured to form a bending detection capacitor between the detecting electrode-plate and the thin film conductor layer, wherein the flexible display screen is adapted to provide a detecting signal to the detecting signal terminal. an elastic conductor layer on the other side of the array substrate, wherein the array substrate further comprises a target electrode-plate, the target electrode-plate comprises a plurality of first electrode-plates of the plurality of storage capacitors (Cst) in the same target region, the target electrode-plate is electrically connected to the detecting signal terminal, and the detecting electrode-plate comprises at least the target electrode-plate; wherein the elastic conductor layer comprises a thin film elastomer layer and a thin film conductor layer which are sequentially disposed in a direction distal to the array substrate, and the thin film elastomer layer is an insulating layer; and wherein the array substrate is configured to form a bending detection capacitor between the detecting electrode-plate and the thin film conductor layer, wherein the flexible display screen is adapted to provide a detecting signal to the detecting signal terminal.