Xi Jinping announced the disarmament of 300,000 in 2015, and then initiated military reforms. Although the number of disarmament posts is not the highest in history, it has undergone significant adjustments at the level of its command mechanism and management system. The review of the CCP’s previous national defense white papers will help Understand its strategic intentions and development context. In addition to collecting official documents and reports of the Communist Party of China, this research also focuses on official documents published by the Republic of China, the United States and other countries, scholars from various countries, and Internet information. Through data analysis and induction, the meaning and meaning of relevant documents are explored. At the same time, it is evaluated and analyzed from an objective perspective to avoid subjective influence from related materials, so that this research can achieve objective and fair results. The study found that although the CCP has always adhered to the "active defense" strategic policy, the strategic requirements of its various services have changed. From "national defense" to ensuring "overseas interests", it has continuously strengthened its own strategic projection, long-range strategic early warning, and countermeasures. Regional denial of capability, and its capability development attempt is in fact very different from the advertised "peaceful rise". Although the People’s Liberation Army is still conducting organizational structure adjustments, improving policies and regulations, and strengthening the actual combat training of its troops, it does not yet have the ability to command the operations of the three services and lack actual combat to test the results of the "military reform", but its military strength growth is indisputable. In reality, if there are no major changes in the future, its ability will only become stronger. This must be faced squarely.