Cryosphere and Cryospheric Science.- Classification and geographical distribution of cryosphere.- Formation and development of cryosphere.- Physical properties of the cryosphere.- Chemical characteristics of the cryosphere.- Climatic and environmental record in cryosphere.- Cryospheric evolutions at different time-scales.- Interactions between cryosphere and other spheres.- Cryospheric changes and sustainable development.- Cryosphere model and cryosphere change projection.- Field observations and experiments for cryospheric science.