The Palace Museum is located on city center in Peking.China is existing biggest， most integrity of thou building cluster.It is been one of five greatest temples in the world by the fame.The Palace Museum start to set up in A.D.1406， the Palace Museum have the size courtyard more than 90s and the house contain 980 and add up to 8704.the Palace Museum surroundings surround 12 meters in height， long the Palace Museum wall of 3400 meters， form is one rectangular city defense， there is 52 meter wide moat outside the wall surround， formation a fortress of severe barracks.The Palace Museum has 4 doors， center door Wu door， east door Donghua door， west door Xihua door， north door Shengwu door.