China is one of the countries with the largest number of islands in the world. According to the United Nations Convention on the Law of the Sea, coastal countries can govern the following six major marine areas at most: ports, inland seas, territorial seas, contiguous zones, exclusive economic zones and continental shelves. According to this regulation, China has nearly 3 million square kilometers of maritime territory. "Due to complicated historical and practical reasons, nearly half of the maritime rights and interests belonging to China's 3 million square kilometers are disputed, the sea area is divided, the islands and reefs are occupied, and resources are plundered. The traditional maritime boundary' nine-dash line' drawn on the territory of China has existed in name only. China's eight maritime neighbors have made unreasonable demands on China's maritime territory and rights and interests to varying degrees, with a total area of over 6,543.8+0,000 square kilometers. " Meng Xiangqing, a professor at the Institute of Strategic Studies of National Defense University, said. Some countries want to fish in troubled waters. Meng Xiangqing's judgment is that the maritime security situation will be more severe this year. This is because, according to the provisions of the United Nations Convention on the Law of the Sea, all States parties must submit their continental shelf delimitation plans to the United Nations Commission on the Limits of the Continental Shelf before May 2009 13, otherwise their relevant requirements will not be recognized. Therefore, some scholars believe that 2009 is the starting point for the redrawing of world maritime boundaries and the emergence of major disputes. Recently, the actions of some countries around the South China Sea are also related to this special background. They tried to make the violation of China's sovereignty in the South China Sea factual, legal and international by means of actual control, domestic legislation and international alliance. Some countries try their best to drag their ally, the United States, into the water, hoping that the United States can intervene in the South China Sea issue. In addition, Japan, India, Australia and other countries are also involved in the South China Sea issue explicitly or implicitly, trying to fish in troubled waters. We should have new ideas to deal with the problem. China is a maritime power, but it is not a maritime power. According to Zhou Zhonghai, director of the International Law Research Center of China University of Political Science and Law and vice president of china law society, compared with major maritime countries, we are not as unified and systematic as the US Coast Guard, not as advanced as the Japanese Coast Guard in technical equipment, and not as good as Argentina in defensive firepower equipment for marine law enforcement ships and aircraft. Compared with the above-mentioned countries, the domestic law foundation is even more lacking, especially in marine law enforcement. Meng Xiangqing said that we should have new ideas on the South China Sea issue in the future. For example, from the relevant international cases of modern international law and modern law of the sea, we can see that more and more attention is paid to actual jurisdiction, while historical basis is relatively ignored. (Yellow) Ocean Cruise China will hold the largest cruise in the world. According to Xinhua News Agency 14, "Sea Patrol 3 1" held a grand sailing ceremony at Zhuhai Gaolan Port Sea Patrol Base, and set sail for Sanya to carry out a joint cruise mission in the South China Sea, so as to strengthen effective supervision of the South China Sea and ensure the safety of ships, facilities and people's lives and property. According to the unified deployment of China Maritime Safety Administration, the maritime departments of Guangdong, Shanghai and Qiong will hold the largest joint cruise activity of the maritime system in the South China Sea in mid-April. Guangdong Maritime Safety Administration's "Sea Patrol 3 1" and its ship-borne helicopter "Haibiao 32" and Shanghai Maritime Safety Administration's "Sea Patrol 2 1" will be the main force of this three-dimensional cruise. It is understood that the main task of this joint cruise is to strengthen the cruise inspection of the safety of important routes and offshore facilities and related operations in the South China Sea, and to check the use of navigation AIDS and safety signs of offshore buildings; Patrol the marine environment; Understand the hydrology, meteorology and navigation environment of the South China Sea; Master the flow direction and navigation safety information of ships on the customary routes and recommended routes in the South China Sea; Test the coverage of radio communication system, readability and reliability of signals, and test the launch and shore-based reception of global maritime distress and safety communication system; Monitor the situation of marine pollution by ships, urge ships to pass harmlessly, and achieve the purpose of ensuring navigation safety, protecting the marine environment and safeguarding national sovereignty.