It is located in Shanghai and built at the beginning in Ming dynasty.Afterward,the construction was extended in succession.The pavilion and buildings in the garden is confused with error and omission;its winding pavilion surrounded and exotic peak and rare stone standing upright as well as the famous flowers and ancient wood is competed with each other for fascination.Therefore,the name of the metropolitan gardening is gained.The main building in the garden is "Sansui Tang" which is graceful and magnificent,momentum with a tremendous.Under the east foot of the big rockery is a symbolic ship's hall--Yifang(As same as boat).The east part in the garden is "Hexu Tang".The center part is "Yuhua Tang" facing stony peak of exquisite jade which is one of three famous stones in the south of Yangtse river.The east-south side of "Yu Yuan"is inner garden which was built in Qing dynasty,having become a exquisite,and an independent garden of the garden.The main hall within inner garden is "Jiangguan Ting",and the west part is "Guantao Lou".The halls and court-yard in Yu Yuan,are either garandeur,or magnificent,classical,and or sagacious respectively,and indeed,it is to compete with each other for beauty of looks and each has its own garceful bearing.It is a unified entity that combines the outside flower and wood with inside furniture and horizoned inscribed board,couplet,as the people said that feeling and setting happily blended.