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Leiqiong UNESCO Global Geopark is located in the southern margin of Chinese Mainland, straddling Qiongzhou Strait. The geology is characterized by the Leiqiong Rift Volcanic Belt and records the origin of Leiqiong Rift and the spreading of the South China Sea Basin. More than 100 volcanoes are densely distributed across the Geopark. The Leiqiong UNESCO Global Geopark is located within the Leiqiong volcanic belt. These include examples of nearly all volcanic types formed by basaltic and phreatomagmatic explosions. Judging from the number, variety and completeness of the volcanoes, the park is considered topmost among the Quaternary volcanic belts of China. It is a natural monument to Quaternary basaltic volcanology. Two districts of Leiqiong UNESCO Global Geopark feature several ‘maar’ craters – broad, low-relief craters caused by groundwater coming into contact with hot lava. Some of the sea cliffs were also developed by the maar type volcano explosion. Leiqiong’s craters are great examples of the phenomena, including the Huguangyan Maar Lake where research was first conducted on maar lakes in China, and is also the basis for cooperation between Chinese and German scientists. The Geopark is extremely rich in volcanic landscapes and lava structures, such as different kinds of lava flows and tunnels, which exists as a natural exhibition of volcanism. Also, the Geopark is positioned in an ecological transition area characterized by a rich diversity of flora and fauna. Here, the volcanic landforms provide the fertilized red earth, the green tropical forests, the blue sea and the silver beach. These elements exist in harmony and make for a living Geopark.