The introduction, development, maintenance, or promotion of technologies in Environmental protection industry depend on "talents", who are the asset not being copied by competitors. The importance of "talents" for Environmental protection industry is apparent. Environmental protection industry should realize that the more industries depending on professional knowledge and technologies should emphasize more on internal employees, as those with professional competence are the source of core competitiveness of an enterprise. It shows the important role of employees in Environmental protection industry. Different job characteristics would generally result in distinct emotional labor and work adjustment; meanwhile, long-term emotional labor would result in work adjustment that the relations among job characteristics, emotional labor, and work adjustment of employees in Environmental protection industry have become a primary issue in human resource management. Research subject on Environmental protection industry is rare that this study intends to research the correlation among job characteristics, emotional labor, and work adjustment in Environmental protection industry. With questionnaire survey, the retrieved copies are analyzed with statistics. According to the results, suggestions are proposed, expecting to provide reference for managers of Environmental protection industry making human resource management strategies and for researchers on the successive research.