The “One Belt and One Road” Initiative has received positive response and support from more and more countries since its introduction. The construction of the “One Belt and One Road” Initiative not only benefits the Chinese people, but also benefits the people of all countries along the route. However, due to the differences in historical traditions, language, religious and nationalities, and political economy along the route, the construction of the “One Belt and One Road” requires not only participation and cooperation in the political, economic, social, cultural and other fields, but also the rule of law cooperation. This report will focus on the significant demand of the “Belt and Road” initiative. Firstly, the “One Belt and One Road” initiative is briefly introduced. Secondly, the problems faced by the legalization construction in the “One Belt and One Road” area is illustrated. Then this report will focus on the content of the “One Belt and One Road” rule of law cooperation, which mainly includes the establishment of the rules system, the construction of the dispute settlement mechanism, the cooperation in the field of judicial and law enforcement and the legal and cultural exchanges. Finally, this report looks forward to the significance and conception of the rule of law cooperation in the “One Belt and One Road” area.