Medical care. After identification, Sanqingshan rice grain stone is an excellent jade material for alkalization and water quality improvement, and has good health care function. The rice grain stone in Sanqingshan Mountain, Jiangxi Province, is named because jade is covered with rice-like substances from the surface to the inside, and jade is transparent. Sanqingshan Mountain is famous not only for its beautiful scenery, but also for producing natural rice grains unique to the world.