劳动密集型产业集群曾对我国沿海地区经济增长有重要贡献，在新形势下正经历严峻的挑战。在推动供给侧结构性改革背景下，用新的视角考察劳动密集型产业集群的升级问题具有重要现实意义。本文以浙江濮院羊毛衫产业集群为案例，从国内价值链视角研究劳动密集型产业集群的升级问题。研究表明，劳动密集型产业集群能够依托国内市场实现功能升级，专业市场的升级又能助推其功能升级，而价值链支持系统是影响其功能升级的重要因素。

Havinggreatly contributed to China’s coastal areas’ economic growth, the labor-intensive industry clusters are undergoing severe challenges. Under the background of promotingsupply side structural reform, it is vital to study its upgrading issues. Taking ZhejiangPuyuanSweater Industry Clusteras an example, this paper studies this upgradingin the perspective of domestic value chain. The research indicates that labor-intensive industry clusters can fulfill its function upgrading on the basis of domestic markets, while the specialized markets’ upgrading can boost this function upgrade.Also, the value chain supporting system is the key factor influencing the function upgrading.