Siming Profile: Siming District is the economic, political, cultural and financial center of Xiamen City. It is located in the southern part of Xiamen City (including Gulangyu Island), facing the sea, facing the Xiaojinmen Islands and Zhangzhou mainland across the sea, with an area of ​​75.31. Square kilometers, with a population of 81.17 million (including a registered population of 620,900). It has 10 sub-district offices including Gulangyu and 96 community neighborhood committees. [1-2]