The main part of China’s CO

2

resources—mantle magmatogenic CO

2

is concentrated in the Meso-Cenozoic stretching basins in Eastern China.The basic conditions for the formation of this kind of CO

2

pools or gas-fields are the faults cut deep in CO

2

gas source and mantle magmatic activities.The CO

2

gas pools could be divided into mantle magmatogenic origin and thermolysis origin.All the CO

2

gas pools and fields discovered are almost fault complex type.