Presents the theory behind, basic structure and operation mode of a new portable audit test instrument for high tension electric energy measurements and suggests criteria for qualitative assessment.

This paper describes the importance of the auditorial management in financial institution,advances the design train of thought and way of achieving of the Computer Audit Management Information System,mainly including the objct of the system,the structure of the system,the safety of thesysem and the specifity of the system.

This article has enumerated the common data quality problem in the data warehouse construction, and has analyzed the reason,then has described the increase of date qulity from the construction of organization and the process,standards and the establishment of auditing mechanisms.