In Search of Lost Time is a source work of stream of consciousness novel which written by Marcel Proust. Starting from the personal memory, the writer reconstructs an alienated “Marcel’s World”. however, the novelist insists that the alienated world reflects the essence of life. The way of internality and the revaluation of life’s essence betray the only one conception idea. This phenomenon not only indicates Marcel’s personal tendency, but also reflects spiritual needs of the whole era.