Suichuan County (simplified Chinese: 遂川县; traditional Chinese: 遂川縣; pinyin: Suìchuān Xiàn) is a county in the southwest of Jiangxi province, People's Republic of China, bordering Hunan province to the southwest.

It is under the jurisdiction of the prefecture-level city of Ji'an, and is its southernmost county-level division.

[2] Suichan County is one of the largest producers of kumquats in China.

Suichuan County territory belongs to the central subtropical humid monsoon climate zone.

Mild climate, abundant rainfall, abundant sunshine, four distinct seasons, long winter and summer, short spring and autumn, long frost-free period, the territory of the climate difference.