钟乳石，又称石钟乳，是指碳酸盐岩地区洞穴内漫长的地质历史中和特定地质条件下，由碳酸钙和其他矿物质的沉积形成的诸如石钟乳、石笋、石柱等不同形态碳酸钙沉淀物。东兰国家地质公园溶洞内的石钟乳形态各异，栩栩如生。石笋如锋利宝剑，直指苍穹；石柱如擎天巨柱，气概豪迈。大自然的鬼斧神工，令人惊叹，妙不可言。

Stalactite refers to carbonate deposits of various shapes, such as stalactite, stalagmite and stela, which is formed under the deposition of calcium carbonate and other mineral substance in the cave of carbonate area under specific geological conditions during the long geological history. The stalactites in the karst caves of Donglan National Geopark are vivid and of various shapes . Stalagmites shaped like a sharp sword, which standupright against the sky; Columns shaped like giant columns, which are magnificant. All of those are the uncanny workmanship of nature, which is really amazing and wonderful.