The authors reveal the certain secretive attribute that quality meta data has,quality meta data secretive to the customer and enterprise's different function and the different expectation,introduce the Dublin core resources set concept,define quality meta data by 6 essential factor constitution method,and distinguish application example that constitute of the standard 6 essential factors.They propose application method and the data flow in view of quality meta data secretive attribute,divide the quality meta data into 3 big types,namely defects meta data,manufacture meta data and function meta data with the premise of the secretive attribute being respected,plan the quality meta data sharing principle and the data transmission flow.