1, mung bean is a temperature-loving crop, mainly distributed in temperate, subtropical and tropical regions, to India, China, Thailand, Myanmar and the Philippines and other Southeast Asian countries most widely. The world's largest mung bean producer is India, followed by China.

2, China's mung bean main producing areas in the Yellow River, Huaihe River basin and the northeast. From the sowing area, mainly concentrated in Inner Mongolia, Jilin, Anhui, Henan, Shanxi, Shaanxi and Hunan, accounting for a total of 78.8% of the total sowing area of the country; from the production point of view, Jilin and Inner Mongolia the most, accounting for a total of 42.2% of the total production, followed by Henan, Hunan, Shanxi, Xinjiang, Chongqing, Sichuan and Hubei.