In MDCI,all the initial codewords are selected from the inputted training vectors set,and the distance between the next newly generated initial codeword and the already existed codewords must be the greatest.

Co-existence can be found on the media,both printed and electronic periodicals coexist;the reading style,both paper material and web downloaded material coexist;cataloguing mode,both original catalogue and download catalogue coexist;and data statistics method,both Electronic Form and systematic statistics exist.

The paper expatiates what is total quality management of CALIS member library original catalogue and how it runs,and thinks that total quality management is an advanced idea and approach,and it will have wonderful future in CALIS member library original catalogue management.