Discharging door structure of transportation container and transportation container

The utility model provides a discharge door structure of a transport container, which comprises a discharge door and an auxiliary mechanism, the discharge door is arranged on the bottom surface of the transport container, and the auxiliary mechanism comprises a handle, a connecting piece and a hooking piece. One end of the handle is detachably connected to the transportation container, and the handle can rotate relative to the transportation container. One end of the connecting piece is detachably connected to the discharging door, the other end of the connecting piece can slide relative to the handle, and a plurality of pull grooves are formed in the connecting piece in the length direction of the connecting piece. The hooking part is provided with hooking head parts matched with the pulling grooves, and one end of the hooking part is hinged to the handle, so that after the hooking part rotates relative to the handle, the hooking head parts on the hooking part can be clamped into the pulling grooves in diffe