The "Secularity" of Christianity has the dual meaning of entering modern secular society and surpassing modern secular society. Modernity supports and mediates such duality. Christianity, on the one hand, builds up a series of premises of faith and systematic foundation for modernization while, on the other hand, eventually evolves into a supporting source that criticizes modern humanistic spirits. It is not the Sino-Western cultural exchange and integration in history that allowed Christianity to enter legitimately and inevitably into China, but rather that both Christianity and China became attached to modern historical destiny. That is the common foundation for both the Jesuit principle of "Adattamento" (Accommodation) of the late Ming Dynasty and Chinese native circumstances (context).