Abstract: Large amounts of cave pearls are well preserved in many limestone caverns in Guangxi. Through detailed studies of these cave pearls, which were found in more than ten caverns in Guilin, Yangsuo, Lingchuan and Nanning , the authors have gone further into the genetic conditions of the pearls. The nucleation of the cave pearls took place mainly in the saturated solution of calcium carbonate with suspended fine dispersive impurities. Layers of lime mud is characterized by mechanical sedimentatio...