How to achieve the grand strategy of the new development pattern of"dual circulation"is an urgent problem that needs to be solved in China's economic development.Guangdong has always been the forefront of national reform and opening up,and should take on the responsibility of actively building the new development pattern of"dual circulation".Firstly,based on the historical location of Guangdong,the article analyzes the functions of Guangdong Province in the new pattern of"dual circulation".Then,based on Marx's theory of social reproduction,this article analyzes the advantages and disadvantages of Guangdong in building a new pattern of"dual circulation"from the aspects of production,distribution,circulation,consumption,and foreign trade.Finally,it proposes a practical path for Guangdong Province to build a new pattern of"dual circulation"from the aspects of investment,innovation,income,security,logistics,consumption,etc.