From May 26 to June 2, 2011, Fan Bin, deputy director general of Office of Hong Kong, Macao and Taiwan affairs of CFLAC, was invited to attend Hong Kong and Macao social and economic forum organized by Chinese Overseas Alliance. The aim of the forum is to deepen the knowledge of the participants about social, economic, cultural affairs before and after Hong Kong and Macao returning to China and successful experience of the Central Government’s principle of “One Country, Two Systems” in Hong Kong and Macao so as to guide all work better in future.