It points out in this article, that “ transcendental explaining” of the time in Kant s Critique of Pure Reason arrives in the issue of how mechanics can work after putting aside how mathematics can do.

Far more than that,the self-constructed transcendental self is by nature self-responsible.

Transcendental philosophy started with Descartes s philosophical principle which makes the world objective in subjectivity with "transcendental self" as the Archimedes s point.

Kant pressed how knowledge is possbile for how transcendental freedom is possible, from that he pressed for how practical freedom and morality are possible.

As a matter of fact,transcendental ego for its nature inter-subjectivity makes epoche and reduction become the basis of metaphysics.

The reconstruction of metaphysics of Kant includes two main parts, that is, the construction of "transcendental ego" and the demarcation between philosophy and religion.

The construction of reflective philosophy of "Ego" in German classical philosophy comes through such a logical developmental process as "transcendental ego" of Kant, "Active ego" of Fichte and "Absolute identity" of Schelling, and arrives at the supreme and the most Abstract identity in philosophy of Hegel.