Abstract: With the rapid growth of information demand from all walks of life and the increasing dependence of various industries on information, information technology based on the development of computer and communication technology has become an important trend of industry development. The application of information technology has covered all fields and industries. The development of information technology is leading the vigorous development of geographic information and surveying and mapping technology, especially in the national natural resources planning, investigation and land monitoring, which has become a technical means to achieve the strategic goals of land security, economic development and social stability. Its information application is also an important embodiment of the country's comprehensive strength and an important technical guarantee for realizing socialist modernization.