Abstract: The enterprise management is the first protective umbrella for ensuring the reliability of scaled existing industrial buildings,and it may be the most significant one in a certain sense.But in the code framework in China now,less work has been devoted to establish the technical guidelines for building's application and maintenance which are available for the enterprise.It is presented the basic idea of technical guidelines for industrial building's application and maintenance,and briefly introduced the practice work about it,including the destination and principle of the guide,approach of classification control,and index system and standard for assessment.At the same time, the main contents of the guidelines are also given.