"Peaceful reunification and one country, two systems" is a complete system. Its basic content is that under the premise of the reunification of the motherland, the main body of the state adheres to the socialist system, while maintaining the original capitalist system in Hongkong, Macau and Taiwan Province Province for a long time. Specifically, the concept of "peaceful reunification and one country, two systems" has ten aspects. (1) A China. This is the core of "peaceful reunification and one country, two systems" and the basis for developing cross-strait relations and realizing peaceful reunification. (2) Two systems coexist. On the premise of the reunification of the motherland, the main body of the country implements the socialist system, while maintaining the original social systems and lifestyles of Taiwan Province Province, Hongkong and Macao unchanged for a long time. (3) A high degree of autonomy. After the complete reunification of the motherland, Taiwan Province Province, Hongkong and Macau, as special administrative regions, enjoy a high degree of autonomy different from other provinces, municipalities and autonomous regions in China. (4) Strive for peaceful reunification, but do not promise to give up the use of force. (5) Solve the problem of Taiwan Province Province, realize the complete reunification of the motherland, and place hopes on the people of Taiwan Province Province. (6) Actively promote talks and strive for reunification through negotiations. (7) Actively promote cross-strait "three links" and various exchanges, enhance mutual understanding and feelings of compatriots on both sides of the strait, close cross-strait economic and cultural relations, and create conditions for peaceful reunification. (eight) resolutely oppose any "Taiwan independence" words and deeds. (9) Resolutely oppose foreign intervention and interference in Taiwan Province Province. (10) concentrate on economic construction, which is the basis for solving international and domestic problems and realizing national reunification. "Peaceful reunification and one country, two systems" is a scientific concept that fully respects history and reality, takes care of the interests of all parties, safeguards national unity, realizes the complete reunification of the motherland and the great rejuvenation of the nation. The concept of "peaceful reunification and one country, two systems" enriches and develops Marxism and is of great significance. First of all, the concept of "peaceful reunification and one country, two systems" creatively applies the principle of peace to solve the problem of national reunification. Second, the concept of "peaceful reunification and one country, two systems" creatively developed the Marxist theory of state. Third, the concept of "peaceful reunification and one country, two systems" embodies the firmness of adhering to the principle of national reunification and safeguarding national sovereignty, and also embodies the strategic flexibility of taking care of historical reality and reality and avoiding the possible adverse consequences of military reunification. Fourth, the concept of "peaceful reunification and one country, two systems" is conducive to striving for a peaceful international and domestic environment needed for socialist modernization. Fifth, the concept of "peaceful reunification and one country, two systems" provides a new way of thinking for solving international disputes and problems left over from history.