The main place of origin of red beans is in China's Hunan Province. Hunan Province has a warm and humid climate and fertile land, which is suitable for the growth of red beans. The region is blessed with abundant sunlight and ample rainfall, providing good growing conditions for red beans. Red beans grown in Hunan Province are known for their bright color and sweet taste, and are widely used in cooking and pastry making. There are other regions such as Jiangxi and Hubei where red beans are also grown, but Hunan Province is one of the most important places of origin.