Comprehensive mining working face dust concentration closely related to mine safety, in order to get more accurate research on comprehensive tunneling working face dust transport rule, fully mechanized roadway of Mugua Mine was taken as a experiment. The Fluent software was used to simulate far-pressing-near-absorption reducing dust effect. The new design of cubes mining tools were applied for field measurement of dust. The migration rule of dust mass in the research area showed that a cube dust mining tool had higher degree of fitting of the simulation results, and the measured data was more accurate. The mass concentration of dust rapidly declined at beginning, and the peak value appeared at 5 m to the working face, and had a slight fluctuation at 10 ~ 40 m to the working face, and at more than 40 m. And the conclusion provided a scientific evidence to dust prevention and controlling technology research of the fully mechanized working face.