Abstract:The pressure of China's land resource endowment and the sustained and rapid growth of population and economy has led to the unsustainable development problems such as high-intensity and high-risk utilization of land resources. It is urgent for land science and technology innovation to change the governance mode of land resources, improve the governance capacity, and develop the intelligent land with digital, refined and smart land resources as the core. This study discusses the basic concept and connotation of smart land, analyzes the problems and challenges in the construction of smart land, and puts forward the key technologies that need to be broken through, so as to provide reference for China to smoothly promote the construction of smart land.