The utility model provides a wet type sorting processing machine for domestic refuse, which is mainly composed of a crusher, a washing sorting tank, a slag discharging machine, a plastics recovering mechanism, rotary water filtering grids and a water pipe, wherein, the washing sorting tank is divided into a washing tank, a sewage collecting chamber and a sorting slot through an inverted figure-seven baffle plate; the plastics recovering mechanism which is composed of a motor, a rotating shaft and raker teeth is arranged slantwise, one end of the plastics recovering mechanism is arranged in the sorting slot, and the other end is arranged outside the washing separating tank; the rotary water filtering grids are arranged above water level of the sewage collecting chamber arranged on the tail end of a flow deflector. The utility model has the advantages of simple structure, convenient operation, and effective sorting of each of the components of domestic refuse and is convenient for the recovery and the utilization of refuse.