A foldable electronic apparatus , comprising: a casing assembly , comprising: a first body ; a second body ; and a bendable body rotatably connected between the first body and the second body ; the first body being rotatable relative to the second body via the bendable body to switch the foldable electronic apparatus between a folded state and an unfolded state, in the folded state, the first body and the second body overlapping with each other, and in the unfolded state, the first body being unfolded relative to the second body ; the first body having a first surface , the first surface being opposite to a first surface of the second body when the first body and the second body overlap with each other, and the first surface of the first body and the first surface of the second body cooperatively forming a portion of an inner folding surface of the casing assembly ; and a flexible display screen assembly , disposed at the inner folding surface ; the foldable electronic apparatus further defining a first acoustic opening in the first body and a second acoustic opening in the second body , the first acoustic opening defined in a second surface of the first body opposite the first surface of the first body , and the second acoustic opening defined in a side of the foldable electronic apparatus where the inner folding surface is located; and the foldable electronic apparatus being configured to emit sounds through the first acoustic opening when the foldable electronic apparatus is in the folded state, and emit sounds through the second acoustic opening when the foldable electronic apparatus is in the unfolded state. a first body ; a second body ; and a bendable body rotatably connected between the first body and the second body ; the first body being rotatable relative to the second body via the bendable body to switch the foldable electronic apparatus between a folded state and an unfolded state, in the folded state, the first body and the second body overlapping with each other, and in the unfolded state, the first body being unfolded relative to the second body ; the first body having a first surface , the first surface being opposite to a first surface of the second body when the first body and the second body overlap with each other, and the first surface of the first body and the first surface of the second body cooperatively forming a portion of an inner folding surface of the casing assembly ; and a flexible display screen assembly , disposed at the inner folding surface ; the foldable electronic apparatus further defining a first acoustic opening in the first body and a second acoustic opening in the second body , the first acoustic opening defined in a second surface of the first body opposite the first surface of the first body , and the second acoustic opening defined in a side of the foldable electronic apparatus where the inner folding surface is located; and the foldable electronic apparatus being configured to emit sounds through the first acoustic opening when the foldable electronic apparatus is in the folded state, and emit sounds through the second acoustic opening when the foldable electronic apparatus is in the unfolded state. <EOS>