The Heavenly Roots is an award-winning work by French writer Romain Gary at the Goncourt Prize for Literature.It depicts the natural scenery of Africa with delicate brushstrokes and contemplates the relation-ship between humans and nature.The brilliance of the work lies not only in its beautiful scenery and humanis-tic care,but also in its unique dialogue and narrative art.Occupying more than half of the entire text,the dia-logue in The Heavenly Roots is of great volume and the text structure also becomes separated during conversa-tional insertion.Starting from the narrative art of dialogue in The Heavenly Roots,the different effects of time and space separation caused by dialogue in the text are analyzed,and the strategy of Romain Gary's layout and plot is revealed.