NOVELTY - The device comprises: a power supply unit; crushing machines connected to the power supply unit; a first belt conveyor; a sieving device; a second belt conveyor; a first magnetic separator, an air separator, a third belt conveyor, a fine crusher; and a winnowing machine. The crushing machine is located far away form an end of the first belt conveyor, and is further provided with a chain conveyor. The fine crusher is located far away from the third belt conveyor, and is provided for conveying a fourth belt conveyor.    USE - The device is useful for processing a waste (claimed) from a domestic garbage.    DETAILED DESCRIPTION - The device comprises: a power supply unit; crushing machines connected to the power supply unit; a first belt conveyor; a sieving device; a second belt conveyor; a first magnetic separator; an air separator; a third belt conveyor; a fine crusher; and a winnowing machine. The crushing machine is located far away form an end of the first belt conveyor, and is further provided with a chain conveyor. The fine crusher is located far away from the third belt conveyor, and is provided for conveying a fourth belt conveyor. One end of the chain conveyor, and the first, second, third and fourth belt conveyors is inclined upwardly. The chain conveyor is located far away from the crushing machine, and is provided for collecting a leachate in a first collecting pit that is set with a first grab bucket. The fourth belt conveyor is located far away from the crushing machine, and is provided for collecting the leachate in a second leachate collection pit that is set with a second grab bucket. The sieving device is set with a second magnetic separator and a fifth belt conveyor, where the second magnetic separator is provided on the fifth belt conveyor. The sieving device is connected to a lower part of the fifth belt conveyor. A lower end of the winnowing machine is provided with an artificial separating belt used for separating a material. An INDEPENDENT CLAIM is included for a method for processing a waste from a domestic garbage.