Full-automatic kitchen waste sorting system

The utility model relates to a full-automatic kitchen waste sorting system which comprises a fixing support, a sorting cabin is fixedly installed on the top of the fixing support, and a sorting device is fixedly installed in the sorting cabin. According to the full-automatic kitchen waste sorting system, a left sorting screw shaft and a right sorting screw shaft are arranged, in daily life, kitchen waste contains many plastic outer packages, when the kitchen waste enters a sorting cabin, a first gear motor drives the left sorting screw shaft and the right sorting screw shaft to rotate, the left sorting screw shaft rotates leftwards, and the right sorting screw shaft rotates rightwards; the sorting right spiral shaft rotates rightwards, kitchen waste falls onto the sorting screen from the position between the sorting left spiral shaft and the sorting right spiral shaft, plastic outer packages are left on the sorting screen and continuously move forwards, spraying and cleaning are conducted in the moving proces