| Beian (北安乡) |
| Dieryuanzhongchang (第二原种场) |
| Diyiyuanzhongchang (第一原种场) |
| Fendou (奋斗乡) |
| Hongguang (红光乡) |
| Hongxing (红星乡) |
| Kangrong (康荣乡) |
| Lan Xi Xian Xumu Jishu Tuiguang Fuwu Zhongxin (兰西县畜牧技术推广服务中心) |
| Lanhe (兰河乡) |
| Lanjiao (兰郊乡) |
| Lanxi (兰西县) |
| Lanya (兰亚街道) |
| Liaoyuan (燎原镇) |
| Linjiang (临江镇) |
| Pingshan (平山镇) |
| Shunda (顺达街道) |
| Xinghuo (星火乡) |
| Yanhe (颜河街道) |
| Yuanda (远大乡) |
| Yulin (榆林镇) |
| Zhanggang (长岗乡) |
| Zhangjiang (长江乡) |
| Zhengyang (正阳街道) |