An integrated lampblack purifying device comprises a casing with an installation cavity in the middle, a pore plate filter, a flow guiding device, a mesh filter, an ultraviolet purifier and a water tank arranged at the lower end of the casing. A water blocking board is arranged on the lower end portion of the casing and provided with an air inlet communicated with an installation cavity, and the pore plate filter, the flow guiding device, the mesh filter and the ultraviolet purifier are sequentially installed in the installation cavity from bottom to top. A fan installation site communicated with the installation cavity is arranged on the upper end portion of the casing, an exhaust fan mechanism is installed on the fan installation site, a distribution tube mechanism is arranged between the pore plate filter and the flow guiding device, a water pump is arranged on the water tank, and the distribution tube mechanism is connected with the water pump through a water conveying tube. The integrated lampblack purifying device integrates multiple purifying modes including physical purifying, chemical purifying and photocatalysis purifying, achieves classified purifying of lampblack and brings better lampblack purifying effect. The integrated lampblack purifying device has a self-cleaning function and can work continuously and effectively for a long time, and no lampblack attachment can be accumulated in the device.