The conference will focus on academic discussions in the fields of geology, surveying and mapping, remote sensing and marine communication. Earth observation technology with remote sensing technology as the core is the current focus of scholars and industry. By discussing the latest progress in theory, technology and application in this field, it can provide technical support and data guarantee for national economy and national defense construction. Therefore, the conference aims to promote the advancement of information technology in various fields of resources and environment, and better serve the country's development decision-making.