This paper summarizes the main contents of project management and "6S" management, and it applies the weekly report system, nonconformity system, unannounced inspection system, quality management, safety management and schedule management into the practice of "6S" management. Its application in Mechanical Specialty achieved a good result, which shows that research of the whole process and all aspects with full participation on the "6S" management has not been systematically carried out, so it is the key to further research how to carry out the project management system and methods in the research on "6S" management.