A spraying apparatus and a dish-washing machine. The spraying apparatus comprises: a spraying pipe, a water injection nozzle being provided on the spraying pipe; a drive mechanism, the drive mechanism comprising a driving gear and a driven gear engaging with the driving gear, and the driven gear being connected to the spraying pipe to drive the spraying pipe to rotate; a driving mechanism, the driving mechanism being connected to the driving gear to drive the driving gear to rotate. The rotation of the spraying pipe in the spraying apparatus is stable and reliable, and control precision of a spraying region is high.