With the practical and theoretical development on the utilization of oceans, especially when the United Nations Conference on the Law of the Sea became effective in 1982 and the implementation of Freedom of Navigation Program by US navy， the Freedom of Navigation and its institutional tension， originated from ideology of Freedom of the Seas， has accordingly witnessed constant development and progress. The institutional tension of system of Freedom of Navigation makes a prominent contribution to both the coordination of global and regional interest， and the construction of legal order of Arctic passage， characterized by international morality. International Maritime Organization dominates in optimization and construction of legal order of Arctic passage， which is exemplified in the fact that a series of regulations and laws concerning the Arctic Passage has come into force， such as International Code for Ships Operating in Polar Waters. The coordination of the institutional tension of Freedom of Navigation makes the core of the construction of legal order of Arctic passage， bearing the common welfare of nations， which in turn promotes the development and perfection of the Freedom of Navigation and its institutional tension．