UNIT LOAD DEVICE

A unit load device, which includes: a box, which is configured to carry cargos and provide heat insulation for the cargos; an optional phase change energy storage material, which is disposed on an inner side face of the box and configured to maintain the temperature of the cargos in the box; and a temperature adjustment module, which is detachably connected to the box to provide cold and/or heat to the box. Different combinations of the box, the temperature adjustment module and the phase change material meet different needs in the cargo transportation process and ensure the transportation efficiency and quality of the cargos.