Albert Camus,on existentialist ground,thought that the world was absurd.Facing the absurdity of the world,human being had three different reactions.His existentialist thoughts were presented not only in his philosophical books but also in his literary works.A Dream of Red Mansion,written by Cao Xueqin,who was a great man of letters during the Qing dynasty of China,is rich in philosophical thoughts.This essay makes a try to compare Camus with Cao Xueqin roughly.