Nanmulin County, located in Shigatse City, Tibet Autonomous Region, is a county in the northeast of Shigatse City, Tibet Autonomous Region of the People's Republic of China. The terrain is high in the northeast, low in the southwest, and hilly on both sides of the north and south. There are valleys and plains in the south, and there is a serpentine narrow "corridor" from north to south. It is a high - origin inland arid climate, with strong solar radiation, large temperature difference between day and night, and obvious wet and dry seasons. The county covers an area of 81,100 square kilometers, with jurisdiction over 1 town 16 townships 146 administrative villages and 5 resettlement villages. According to the seventh census, as of midnight on November 1, 2020, the permanent population of Nanmulin County was 83,531.
Scenic spots in the county include Meiri Temple, Deqing Rebujie Temple and Tiezuo Bridge. Historical celebrities include the Eighth Dalai Lama, the Eighth Panchen Lama, the Sixth Panchen Lama and the Fifth Panchen Lama.

On December 9, 2019, the People's Government of Tibet Autonomous Region approved Nanmulin County's withdrawal from the poverty-stricken county (district).
In 2020, the GDP of Nanmulin County reached 1.47 billion yuan, with a year-on-year growth of 10%; The total retail sales of social consumer goods in the county reached 248 million yuan, an increase of 18% year on year; The per capita disposable income of farmers and herdsmen reached 11,381 yuan, up 18 percent year on year.