It is of great significance to excavate the socialist connotation of reform and openingup in the world so as to enhance the consciousness and confidence of reform and openingup and grasp of the future and destiny of world socialism. Reform and openingup not only creates socialism with Chinese characteristics, but also provides experiences for the theoretical development and promotes practice and institutional civilization for socialism in the world. First, reform and openingup is the contemporary interpretations of the liberation of mankind and the convergence of the value consensus and practice purposes of world socialism; Second, the reform and openingup creates the new form of socialism in the community of destiny, paving the way for world socialism to move toward a real community; Third, reform and openingup carries forward the logic of justice of Marxism and lays the foundation for the construction of global justice in the socialist road; Finally, the reform and openingup is a new expansion of human civilization, which effectively reflects new civilization attribute of world socialism and the trend of the times of world socialist civilization.