Before the unification of China during the Qin Dynasty, there had already been exchanges and contacts between China and Japan through the ancient Maritime Silk Road, leading to increasingly close and frequent connections between the two nations. Maritime exchanges between China and Japan began as early as the Qin Dynasty, with the establishment of the Silk Road during the Han Dynasty. During this period, Sino-Japanese interactions were characterized by their occasional nature. In the Sui and Tang Dynasties, these interactions entered a developmental stage marked by noticeable diversity. By the Song and Yuan Dynasties, Sino-Japanese relations gradually reached their zenith, with a heightened political significance. However, these interactions began to decline during the Ming and Qing Dynasties, with a stronger emphasis on bilateral exchanges. The historical and contemporary relevance of Sino-Japanese interactions within the framework of the ancient Maritime Silk Road has played a crucial role in promoting trade, cultural integration, and national development between China and Japan, providing a solid historical foundation for contemporary efforts to enhance exchanges and cooperation in the Northeast Asia region.

Chinese land system has gone through several changes since modern times. Although some transformations are only tentative explorations, they have strong practical significance. During the period from 1851 to 1949, it included the National Land System, Sun Yat-sen’s idea of “equal land rights”, Jinggangshan Land Law and Xingguo Land Law during the Agrarian Revolution, as well as Outline of Chinese Land Law during the Liberation War. The changes of the land system has a distinct characteristics, productivity and production relations decide the change of land system in modern China, and the shackles of feudal ideas hindering such changes, moreover spontaneity and compulsory unification has carried out on the basis of the change of land system, while the cause of revolution in modern China emerging from such transformations.Review since modern times of China tell us the history of the land system change, we will improve the system of land laws and regulations, adhere to protect farmers’ interests, strengthen the position of public ownership is not moved, build a new era of agricultural management system can guarantee the healthy and orderly development of China’s land system, thus to promote the rural revitalization of the foundation and guarantee.

The countries of Northeast Asia have close ties and wide range of links in politics, economy, culture and geography. These countries have abroad humanistic foundation. It is of great significance to strengthen the regional cooperation in Northeast Asia under the vision of building the community of a shared future for mankind. This is conducive to safeguarding peace and stability in Northeast Asia, safe guarding the overall interests of Northeast Asia, promoting the common development of Northeast Asia, and realizing the “the Beltand Road” initiative. The idea of building the community of a shared future for mankind opensa new way of thinking for regional cooperation in Northeast Asia: focus in gon strengthening economic cooperation an destablishing cooperation mechanisms; strengthening mutual trust of political security and maintaining regional peace and stability; dealing with non-traditional security issues and curbing extremism; building a common concept and deepening regional identity. Therefore, building the community of a shared future for mankind and promoting regional cooperation in Northeast Asia can realize the overall realization of regional integration in Northeast Asia.