With the improvement of industrial enterprises manufacturing technology advances and people's living standards, environmental issues, especially the issues of processing and manufacturing shop environment are paid more and more attention by people, and attracted the attention of the community. In order to improve the environmental quality of production workshop, taking a gear manufacturing company in Inner Mongolia for the study, analysis of human-machine gear machine shop environment by using the human factors engineering theory and methods, focusing on the microclimate environment, lighting and noise measurement and analysis. This article is based on man-machine environment theory in the field of human factors engineering, not only make qualitative and quantitative analysis on each environment factor, and analyzed the micro climate environment temperature, humidity and air velocity influence each other. Through on-site observation and measurement, acquisition of the basic parameters of environmental factors for each workshop, and the use of specialized statistical measurement data, the existing environmental provide a guarantee for situation described, then identify the crux of the problem and its reasonable improvement by contrasting the GB data, improving the productivity while ensuring the health and job security of employees.