Abstract: Facing to scientific epistemology in western voice, it is very important of studying scientific epistemology from native cultures. Feng qi`s broad epistemology has widespread in Chinese philosophy, but his scientific epistemology thought is actually unknown.In this article we will pay attention to the thought of scientific epistemology in the generalized epistemology, especially the dialectical process to impenetrate between ontology, epistemology, logic and theory of value in scientific philosophy.