The present application discloses a foldable unloading apparatus, comprising: a frame, which is provided with an upper bracket, a lower bracket, a left vertical bar, and a right vertical bar, wherein the left vertical bar and the right vertical bar may be folded; an upper crossbar, which is fixed to the upper bracket, wherein the upper crossbar is fixed with an upper slider and an upper power driving assembly, and the upper slider only moves back and forth along the upper crossbar; a lower crossbar, which is fixed to the lower bracket, wherein the lower crossbar and the upper crossbar are arranged parallel to each other, the lower crossbar is fixed with a lower slider and a lower power driving assembly, and the lower slider only moves back and forth along the lower crossbar; a vertical bar, the top part of which is fixed to the upper slider by means of an upper movable joint, and the bottom part of which is fixed to the lower slider via a lower movable joint, a vertical slider and a vertical power driving assembly being fixed on the vertical bar, and the vertical slider only moving up and down along the vertical bar; an unloading assembly, which is fixed on the vertical slider; and a controller, which is capable of controlling each electric motor. The present application has the beneficial effects of convenient installation and disassembly, greatly reduced packaging and transportation costs, and a long service life.