| Jianshe | |
| Native Name: | 建设镇 |
| Translit Lang1: | Tibetan |
| Translit Lang1 Type: | Tibetan |
| Translit Lang1 Type1: | Wylie transliteration |
| Translit Lang2: | Chinese |
| Translit Lang2 Type: | Traditional |
| Translit Lang2 Type1: | Simplified |
| Translit Lang2 Type2: | Pinyin |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Sichuan |
| Settlement Type: | Town |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sichuan |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Garzê Tibetan Autonomous Prefecture |
| Subdivision Type3: | County |
| Population Density Km2: | auto |
| Timezone: | CST |
| Utc Offset: | +8 |
Jianshe (;) or Pelyul is a town and seat of Baiyü County, Garzê Tibetan Autonomous Prefecture, in the west of Sichuan Province in Southwest China.