智库在“一带一路”建设中发挥了五个方面的作用:一是咨政建言作用。“一带一路”是一个复杂的系统工程,智库研究要为“一带一路”顺利推进保驾护航。二是舆论引领作用。“一带一路”需国际社会共同参与。这就需要智库发挥作用,一方面让国外同行认识到“一带一路”的重要性,同时也要影响更广泛的外国民众,让民众认识到“一带一路”是中国向国际社会提供的公共产品。三是理论创新作用。“一带一路”建设需要好的话语体系 Think tanks play a role in five areas in the Belt and Road construction: First, the role of consultative and political advice. “Belt and Road” is a complicated systematic project. Research on think tanks should be carried out smoothly for the “Belt and Road”. Second, the leading role of public opinion. “Belt and Road” needs the participation of the international community. This requires that think tanks work to remind foreign counterparts of the importance of “One Belt, One Road” and at the same time affect a wider range of foreign people and make the people realize that “the Belt and Road” is China’s provision to the international community Public goods Third, the role of theoretical innovation. “Belt and Road” construction needs a good discourse system