The claims for damages because of liability are unavoidable in construction project.

The paper has briefly expounded ways to expand title and author searching route follow.

The multivolumed book that the author of its every fascicle is different and hasn’t general author is a special one.

According to the cataloguing rules of Chinese Documents (Second Edition),this paper expounds the selection and description of the responsible persons,and probes into the organic combination of the objective description and name standard of the responsible persons in CNMARC format.

By correlative examples this paper enumerate the difference on the description of responsible person between CALIS and National Library System and point out the essentials of copy cataloging of National Library System.

By correlative examples this paper enumerates the diverge on the description of responsible person in nowadays data of machine-readable catalogue and makes a brief analysis and evaluation on all kinds of description means.

Based upon fact and the relevant rules with integrating the work-related problems,this article studies and summarizes the problems which needs paying attention to in the description of information about responsible author with seven fields in CNMARC.