The smoke and dust purifier is a kind of high-efficiency air purifier designed for industrial waste gas smoke and dust. The structure of the purifier is a complete air purifying system consisting of a vacuum pipe, a high-efficiency filter, an activated carbon filter, a special dust-collecting fan and a touch-type microcomputer controller. Widely used in machinery, hardware, electronic and electrical appliances, optoelectronic, chemical, tobacco, pharmaceuticals, food, biology and other industries and other places with smoke, dust, dust pollution.