So,we bring forward that risk-oriented audit model should be updated through importing the idea of presumption of fraud and assuredness to improve auditors ability to reveal management fraud.

The Research and Design of Minitype Certification Authority Based on Public Key Infrastructure;

Design of the Wireless Certification Authority and Research on its Security

It integrates many security technique including Certification Authority, Secure Socket Layer, Firewall, Intrusion Detection and the Computer Virus Defend to protect the security of educational administration.

To introduce professor YAN De-xin s experience in diffrerentiating and treating Emeda with Heart Involved from qi and flood He thinks that pathogenesis of Emeda with Heart Involved is water overflowing due to yang deficiency,internal retention of blood stasis and turbidity.

Theories and Techniques for Establishing Certificate Authority;

Study and Application of Enterprise Lightweight Certificate Authority;

The Research and Design of a Flexible Grid Certificate Authority Architechture;

Echocardiography evaluation about the heart function change on rat models of heart-Qi deficiency syndrome;

System analysis on the syndrome differentiation of heart disease in Diagnostics of Chinese Medicine;