Abstract: It has been more than twenty years to study of Emei taphrogenesis since it was suggested. Emei taphrogenesis not only occurs in Sichuan-Yunnan-Guizhou areas in southwestern China, but also extends into the southern provinces (the South China plate) and surrounding areas. It was first suggested that the Upper Permian reef gas reservoirs should be put attention to in early 1980s, which played an instructive role in discovery of the Kaijiang-Liangping trough, could be as guides for finding out Puguang structural- lithologic gas field in 2002 and for exploration of Yuanba gas field in 2005. In addition, the researches on the Emei taphrogenesis and the Emei basalt benefits the study of the Permian and Triassic dolomite reservoirs and offers the necessary conditions for the formation mechanisms of the tectonic hydrothermal dolomite and basalt-leaching dolomite. It is predicted from the characteristic the taphrogenesis in the South China plate that the aulacogen may be another favorable area for gas accumulation in Mianzhu-Zhongjiang in western Sichuan, which should be paid great attention to. It is recommended that the research and prospecting of Guangwang-Kaijiang-Liangping aulacogen should be continuously strengthened, and hopeful of paying attention to the research of the taphrogenesis in progress of exploration of Tarim basin, and drawing on the experience of Puguang giant gas field exploration, in order to discover more and more petroleum resources.

Key words: Emei Taphrogenesis, Sichuan basin, Aulacogen, reef flat, dolomite reservoir