The research was carried out to solve the bottleneck problem of automatic acquisition of knowledge in expert systems. Starting from the potential law (mechanism) of an expert system itself, the study tried to change the inherent knowledge discovery process, form the new knowledge discovery process model, and build a cognition-based automatic knowledge acquisition mechanism. Simultaneously, by using the T-coordinator, it automatically started the directed excavation of knowledge, according to the knowledge shortages of the basic knowledge, to effectively overcome the limitations that could beco...