With the development of economic globalization and diversification，various sub-state actors have stepped onto the stage of international relations，and a large number of new diplomatic forms have emerged. In recent years，with more and more frequent foreign exchanges of Chinese cities，Xicheng District，as an important part of the functional core area of the capital，plays a special role and value in the function construction of the international communication center. Therefore，sorting out the new progress of the function construction of Xicheng District International Communication Center，analyzing the existing problems in the construction，and putting forward solutions have become an important link to be solved in the construction and development of Xicheng District.