本文简要回顾了日本产业政策的发展历程,分析了宽带基础设施开发的效益和问题,阐述了一些网络中立方面的问题。宽带基础设施上的IP流量在急剧增加,下一代网络和因特网之间要公平竞争,在这种情况下,网络中立问题就会出现。本文在结论中提出了一些相关的政策建议。 This article briefly reviews the development of Japan’s industrial policy, analyzes the benefits and problems of broadband infrastructure development, and elaborates on some of the network neutral issues. IP traffic on broadband infrastructure is dramatically increasing, and there is fair competition between NGN and the Internet, in which case network neutrality issues arise. In the conclusion, the paper put forward some relevant policy suggestions.