In this paper，we adopted the big-data-aided content analysis approach and DataMiner©platform for analyzing the dissemination of the Belt and Road Initiativeinform the Macao news media and social networking sites. This research found that the development potential of Macao under the Belt and Road Initiativeand its cooperation with other regions in various fields became the focus of attention and discussion. Most attitudes towards the regional policy were in full support for the Belt and Road Initiative . News media and online public opinions pay attention to and value the policy as an opportunity for Macao's economy.