Industrial dust has a direct harm to human body. Statistics show that in 2008 the national occupational disease patients reached 730000 people, of which 87.67% of pneumoconiosis. 2013 environmental protection department of occupational health division of the 6 provinces of the 20 stone and furniture industry dust survey shows that almost all factories and most of the workshop dust emissions are seriously exceeded, the stone industry is particularly serious. All post dust concentrations exceeded the national standard, the total dust (refer to the diameter of the 40mm filter, according to the standard dust sampling method to get the highest level of 852 times), call dust (can enter the alveolar dust particles, the aerodynamic diameter of 7.07 m below) the highest concentrations of 77.6 times. Industrial dust not only for the operation of the workers have a direct damage,