This article explains the connotation of Qi in combination of materialist conception of history and idealist conception of history. It starts with that the Great Void originating is Qi

and then puts forward that the object image and the mental image both belong to Qi. It also interprets the connotation of Qi in terms of the Great Void originating

which is from two aspects: the primary image and Qi transformation as well as the primary image and imagery.This article interprets the relationship between Qi and reason and interprets the connotation of the congenital true original Qi in Chinese medicine in a philosophic view

to be a reference to the important Qi study in Chinese medicine.