The ""Dream of Red Mansions"" written by Cao Xueqin formerly was named as the ""Story of Stone"". The works took the love tragedy of Jia Baoyu and Lin Daiyu as the main clue, through the description of decay process in the four big families of Jia, Wang, Shi, Xue represented by the Jia mansion, vividly revealed the destiny of the decay of feudal family and the inevitable collapse of feudal system.The ""dream of red mansions"" described more than four hundred characters, and created many art typicalness, its ideological content and artistry all reached the height that the predecessors can not reach .