By the studies of the commingled interpretation and the structural evolution of the seismic profiles, Fengshunchang-Tianjing Mountain Tectonics has experience, the following three evolution process from Sinian to Now. extended to generate a basin, gravity gliding and compressional orogenesis under the background of the conti- nental uplift and expansion. At the extensional basin stage (Z-T2), there were no Fengshunchang-Tianjing Moun- tain structures, but sedimentated a series of sea facies carbonate and clastic formations. At the gravity gliding stage ( T3-J2 ) , located in the front of the gravity gliding belt of the structural system, Fengshunchang-Tianjing Mountain regionally developed into a series of thrust nappe structures taking thin surface structure as the main form; since Late Jurassic period (J3-Q) , the compressional orogenesis has formed, the background of the structural dynamics changes gradually from stretching/gravity gliding to horizontal compression, accompanied with the basement-in- volved deformation, and then a series of advance thrust structures taking thick surface structure as main form are produced. After eroding, the above structures manifests as nowaday structural patterns.