中文摘要：

从反硝化细菌种类、反硝化机理、影响反硝化的因素、反硝化细菌在环境修复中的应用等方面阐述近期的研究进展,同时结合当前的研究现状,提出了今后的研究方向.

英文摘要：

The aspects of denitrifying bacteria species, the theory of denitrification, the impact factors on denitrification and denitrifying bacterial application progress in environmental remediation were reviewed. In addition, combined with the current research situation, and put forward the future research direction.