A dust, waste gas and oil smoke collection processor and processing method thereof are disclosed. A cleaning and absorbing area (1) is connected with the gas inlet pipe (5), a vibration and swing device (7) is disposed below the automatic water spraying device (6) which is set above the cleaning and absorbing area, and the vibration and swing device has hanging therefrom a layer of straw and banana (17). The lower part of the cleaning and absorbing area is communicated with the upper part of a purification and gas discharge area (2), and the side wall of the purification and gas discharge area is provided with holes. A gas purifying device is disposed between the side wall and the outer bounding wall of the purification and gas discharge area, the upper part of which is a charcoal layer (8) and the lower part of which is a purifier (9). A discharge pipe (10) is disposed under the gas purifying device. A slant plate (16) is arranged at the lower part of the purification and gas discharge area. Waste water enters into a filter and water purification area (3) via a water outlet. The filter and water purification area is provided with a carbon layer (11), a cobble stone layer (12) and a sand layer (13). The layers are spaced by clearances, and a deposition sump (14) is arranged under each clearance of the layers. The clean water after filtering enters into a water storage area (4) connected with an automatic water spraying device. The processor is simple in structure and easy to manufacture, and has wide application range.
