| Longshu | |
| Pushpin Map: | China Sichuan |
| Pushpin Label: | Longshu |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Label Position: | bottom |
| Subdivision Type3: | County |
| Subdivision Type2: | Autonomous prefecture |
| Coordinates: | 31.3956°N 105.1736°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sichuan |
| Pushpin Map Caption: | Location in Sichuan |
| Subdivision Name2: | Mianyang |
| Subdivision Name3: | Santai County |
| Subdivision Type4: | Village-level divisions |
| Native Name: | 龙树镇 |
| Unit Pref: | Metric |
| Area Total Km2: | 80.88 |
| Population Total: | 16791 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Area Code Type: | Local dialing code |
| Official Name: | Longshuzhen |
Longshu (Mandarin: 永新镇) is a town in Santai County, Mianyang, Sichuan, China. In 2010, Longshu had a total population of 16,791: 8,818 males and 7,973 females: 2,317 aged under 14, 12,506 aged between 15 and 65 and 1,968 aged over 65.[1]