The people's army under the leadership of the CPC is a strong pillar to safeguard the Red River and the national dignity, as well as a powerful force to safeguard regional and world peace. Since the 18th National Congress of the Communist Party of China, President Xi Jinping has coordinated the overall strategy of the great rejuvenation of the Chinese nation and the unprecedented changes in the world in a century, put forward the mission and tasks of the people's army in the new era, and asked our army to provide strategic support for consolidating the leadership of the CPC and our socialist system, to provide strategic support for safeguarding national sovereignty, unity and territorial integrity, and to provide strategic support for safeguarding China's overseas interests, To provide strategic support for promoting world peace and development. The people's army resolutely obeyed orders, faithfully fulfilled the mission and tasks of the new era, and defended national sovereignty, security, and development interests with a tenacious spirit of struggle and practical actions. The "Four Strategic Supports" deeply elucidate the political attributes of our army, reflect the natural connection between the Party and the military, and require our army to be very strong in politics, firmly stand under the banner of the Party, firmly maintain the security of national political power and institutional security, and firmly maintain the overall political and social stability; Clarified the strategic functions of our army, requiring it to closely follow the development process of national overseas interests, continuously enhance its ability to carry out diversified military tasks in a broader space, and strive to form a strong overseas interest security guarantee system; It clarifies the international responsibility of our military, and requires our military to adapt to the strategic requirements of serving and building a Community of Common Destiny, actively fulfill the responsibilities and obligations commensurate with our international status, and play a greater role in maintaining the peaceful international environment and the surrounding environment. We have various means and choices to defend peace, maintain security, and deter war, but military means are always the bottom line. To adhere to and develop Socialism with Chinese characteristics and realize the great rejuvenation of the Chinese nation, we must make overall plans for the development and security of the country, the prosperity of the country and the strength of the military, and ensure that the modernization process of national defense and the military is compatible with the modernization process of the country, and that military capabilities are compatible with the strategic needs of the country. Currently, changes in the world, times, and history are unfolding in unprecedented ways. China's development faces new challenges