Therefore, it can be concluded that population, resources, environment and disasters are the four major issues facing the development of the Earth's human society and the ultimate goal of scientific research. With the help of the tools and means of space information technology, human society has entered the information age, the study of Earth Science problems needs to be based on information science, with the help of modern information technology, to serve for global change monitoring and regional sustainable development, or can not adapt to the new social productivity development level of Earth Space Information Science, as an important branch of Earth Science, it will provide theoretical guidance and technical methodology support for Earth Science Monitoring, global change and regional sustainable development