Tianlin County is a county under the jurisdiction of Baise City in the Guangxi Zhuang Autonomous Region of the People's Republic of China. It is the largest county in Guangxi by land area. Located in the northwest of Guangxi, it is an old revolutionary base area with a long history and culture. Located in the center of Nan-Gui-Kunming Economic Zone, it is a commodity distribution center at the border of Yunnan, Guizhou and Guangxi provinces. The county covers an area of 5,577 square kilometers and has jurisdiction over 165 administrative villages in 5 towns, 5 townships, 4 ethnic townships. According to the seventh census, as of midnight on November 1, 2020, the permanent population of Tianlin County was 224,828.

County transportation is convenient, communication network is sound. 165 administrative villages now have access to highways. Nan-kunming Railway, National Highway 324, National Highway 357 and G78 Shan-Kunming Expressway pass through the whole territory, serving as the traffic throat of the Great Southwest Sea passage. Broadband network and mobile communication services have been fully covered.

In 2020, Tianlin County's gross domestic product (GDP) reached 6.845 billion yuan, an increase of 4.5 percent year-on-year at comparable prices. The value added of the primary industry was 2.352 billion yuan, up by 7.4%; The added value of the secondary industry was 1.818 billion yuan, down 2.2%; The value added of the tertiary industry was 2.675 billion yuan, up by 7.2%.