Physical geography, human geography, information geography.

1. Physical geography in the geographical science discipline system of the National Foundation of China is a discipline that studies the composition, structure, spatial differentiation characteristics, formation and development change rules of the natural geographical environment, and the relationship between humans and the environment. disciplines.

2. Human geography in the geographical science subject system of the National Science Foundation is based on the theory of man-land relationship, exploring the geographical distribution, diffusion and change of various human phenomena, as well as the regional structure of human social activities A discipline that forms and develops laws.

3. Information geography in the geographical science subject system of the National Foundation of China is the science of applying information technology and information science theories and methods to understand and utilize geographical information. Information geography is the symbol of the third stage of the geography information revolution and the main tool and means of the geographical science information revolution in the 21st century.