Abstract 1. The bitter contest for marine resources has resulted a new campaign named “ Blue Enclosure” , which has gained attention after being issued in “The United Nations Convention on the Law of the Sea” . 2. Compared with the 17st and 18st century, the global maritime order of today has been changed, yet according to the sea power theory proposed by A. T. Mahan, it begs the question whether it is necessary to revisit the idea again. 3. Without the government’s support, not only would the development of the naval power not be accomplished, but the government also could not use its navy to exert leverage over its diplomatic policy. 4. The sea power is a result of naval strategy, and different strategies will determine naval development. A strong navy has to be accompanied by a proper strategy to pursue its goal of maintaining sea power, but the question remains, what is our proper naval strategic guidance?