From the perspective of advanced knowledge,academic profession specialization can be evaluated from four aspects:advanced knowledge training,professional power,academic ethic and spiritual pursuit.

From this perspective,complexity system is the research object of advanced knowledge.

The value contained in advanced knowledge is displayed by the activities of academic profession and endows the practitioner with social identity and status,so the different values of advanced knowledge are embodied by the differences of the identity and status of practitioners.

Profound knowledge:the Approach to the Cognition of University;

As the logical starting point of the discipline of higher education, profound knowledge conforms to three conditions: in the activities of higher education, it is the most basic and popularized existence; it fits the principle of the unification of logic and history; it indicates all the contradiction or the "e.

However,if we take the particularity of profound knowledge into consideration and take the intellectual as its humanity hypothesis,the pedagogy of higher education would be a kind of social science specialized in profound knowledge\'s production,spreading and application.

Due to the application of the theory of artificial intelligence and knowledge engineering, the traditional system for trouble shooting has become the deep knowledge-based expert system.

This paper presents a diagnosis model based on deep knowledge.

All kinds of deep knowledge are discussed in detail.

Recently, the highly advanced computational technology has led to the development of the signed directed graph (SDG) deep knowledge model based qualitative approach.