喀斯特地貌即岩溶地貌，是发育在以石灰岩和白云岩为主的碳酸盐岩上的地貌。我国的喀斯特地貌主要分布在广西、贵州以及云南东部，是世界上最大的喀斯特区之一。东兰地区喀斯特发育的多轮回和地带性特点，形成了各具特色、千姿百态的喀斯特地貌景观和巧夺天工的洞穴奇景。 Karst landform is a kind of landform developed in carbonate rocks, mainly composed of limestone and dolomite. Karst landform in China mainly distributed in Guangxi province, Guizhou province and east of Yunnan province, which is one of the largest karst areas in the world. The karst development of the Donglan region is characterized by multiple cycles and zonality, forming various features of karst landscape and wonderful cave scenes.