Ludian County (simplified Chinese: 鲁甸县; traditional Chinese: 魯甸縣; pinyin: Lǔdiàn Xiàn) is a county under the administration of the prefecture-level city of Zhaotong, it lies in the north east of Yunnan Province, China, and shares land borders with Guizhou Province.

The west and east of the county are high terrains, and the middle is low and flat.

Under the reign of Yongzheng Emperor, the forced implementation of new land measures aroused rebellion in Wumeng area.

In the end of 1968 the Revolutionary Committee was established, in February 1975 the Primary Power Station in Shaba River was built.

The terrain descends from west to the east, although Niulan River coastal region is an exception.

The third area's elevation is about 1,950 meters (Taoyuan, Ciyuan and Wenping Basin), it's more suitable for developing agriculture because of its fertile soil.

The mean annual precipitation is 1,015.50 millimeters, the yearly runoff amount is 563 million cubic metres.

[4]: 40–41  Ludian has a groundwater storage of 171 million cubic metres, 98 percent of which are spring water.

Lujia Dragon Pool is the main source for drinking water at the county seat.

[4]: 42–43 Ludian lies in the north of Yunnan–Guizhou Plateau, has a low latitude upland monsoon climate.

[1] Corn, rice, buckwheat, wheat, beans, potatoes are main food crops produced in Ludian.

[12] Animal husbandry in Ludian largely relies on domestic pigs, bovini, horses, caprids, chickens and ducks, local animal varieties in the county include Wujin pig, Zhaotong cattle, Yanjin buffalo, Weixin buffalo, Wumeng horse, Zhaotong goat, Zhaotong sheep and Ludian chicken.

Until the end of 2013, 42 enterprises had entered the park, among which ten had an industrial output of more than ten thousand yuan: Haolong Cement Plant, Xingyu Company, Kunhua Chemical Industry Company, Lishi Company, Power Supply Company, Wanlong Chemical Industry Company, Huodehong Mining Plant, Lehong Mining Plant, Haolong Commercial Concrete Co., Ltd., Yunnan Hongsheng Tower Industrial Co., Ltd.[13] In 2013 Ludian had an industrial output of 4,582.99 million yuan, smelting, nonferrous metal mining, cement manufacturing and food manufacturing played an important role.

[16] Tuogu Mosque was built in 1730, occupies an area of 4,000 square meters, locates about 10 kilometers east of the county seat.

[18] The Neolithic Site in Machang was first discovered in 1962, located about five kilometers east of the county seat, has an area of more than 100 thousands square meters.