Building a community of shared destiny of Chinese nation and a community of shared destiny among China and its neighboring countries may effect China’s rise at both domestic and international tiers.The geographical and spatial characteristics of land frontier which links the domestic situation to the international environment have made it the intersection space for building the above two communities of shared destiny.It is a new approach for Chinese land frontier governance to study the modernization of land frontier governance from the perspective of building the community of shared destiny.At present,the concept,strategy and system of land frontier governance cannot meet the requirements of building either community of shared destiny.Boosting the globalization of governance vision,developing the grand strategy of land frontier governance,strengthening the community of shared destiny of Chinese nation,and realizing the modernization of governance system and skills,are basic paths to promote the modernization of land frontier governance and to help it play a role of strategic support in building both communities of shared destiny mentioned above.