The invention provides a quick loading and unloading device for a port in a mountain area. An inner slope is arranged on the inner side of an embankment; the bottom end of the inner slope is close to the water surface; a plurality of latticed columns are arranged on the inner slope from top to bottom; an unloading platform is arranged on the latticed columns; a slideway is arranged at the end of the unloading platform. According to the quick loading and unloading device for the port in the mountain area, disclosed by the invention, a structure comprising the inner slope, the latticed columns, the unloading platform and the slideway is adopted and matched with a dumper, so that quick loading and unloading of goods, in particular mineral products is realized.