The Kaili-Sandu fault is the forward fracture of the thrust nappe in Southeast Guizhou Province. It shows an arcuate thrust-belt bulging to NWW and consists of several faults. The main fault of the Kaili-Sandu fault belt dips to SEE and separates the South Guizhou Depression from the Xuefengshan uplift and is characterized by the brittle deformation. The horizontal displacement of the hanging wall of the Kaili-Sandu fault thrusting to NWW is about 12~15 km. This is the result of numerous faults’ multi-stage compression, extension and strike slip shearing movements. The Kaili-Sandu fault belt has undergone multi-tectonic movement, mainly controlled by the Pacific tectonic domain since Yanshanian.