Abstract: Miaoling-Jiuzhanggou Gold Belt is located in Xiongershan-Waifangshan Area along southern margin of North China Block.There are 9 gold ore sections intermittently distributed in F8 ore-bearing structure along the gold belt.According to dissection relationship between fragile structure,formation time of F8 ore-bearing structure is later than 157 Ma.It presents mechanical properties of compressive torsion,and is the result of compressive movement in EW orientation.Based on tectonic background,tectonic spatial distribution and tectonic magmatic events,it indicates that the formation of F8 ore-bearing structure should be associated with granitic magma intrusion in Yanshanian period,and the result of tectonic magmatic activities in late Jurassic-early Cretaceous.There is possibility of large-scale minera-lization in the deep F8 ore-bearing structures,and the foundation for further deep prospecting prediction.