中文摘要：

20世纪90年代以来，跨国公司的全球化战略安排已经使产品内分工成为近年来国际分工理论的研究热点，它也是国际贸易理论的最新发展，产品内分工的产生存在诸多原因。我国在国际产品内分工中，相当大部分处于劳动密集型工序或区段，我们要按照动态比较优势原理，通过提高产品内分工的工序地位促进我国产业升级。

英文摘要：

Intra-product specialization has become a focus in international specialization theory and a current development of international trade theory in recent years since multinationals carried out the globalization strategy in 1990＇s. There exist many reasons for its emergence. In China, most industries in international intra-product specialization are in labor-intensive working procedure or section. According to the dynamic comparative advantage principle, we must upgrade Chinese industries by promoting the position of working procedure in intraproduct specialization.