The Datong volcano groups are one of the important specific landform types in the eastern part of China. The development of volcano groups and the Datong Basin Where the volcano groups are located and controlled by the most striking morphotectonic pattern in the eastern part of China-NNE-trending en echelon right-lateral shear-extensional down-faulted zone, located on the upper-mantle upheaval zone. The volcano groups and lava flows are developed obviously along the NE-trending right-lateral shear-extensional fracture zones and their intersection with NW-trending shear-comprcssional faults, and also continuously affected ty re-activation of faults.