By applying the western death culture theory,the Christian death concept and the impact of western death philosophy on Heine’s poetry writing have been studied to reveal the cultural implications that show the art of death in Heine’s poetry.Through the descriptions of nightmare,death,subconscious,and abnormal psychology,and the rich imagination as well as the artistic expression means of personification,Heine gives death vivid artistic images and far-reaching implication,which exaggerates the sorrowful emotion of the unfortunate love and makes people obtain the unforgettable enjoyment of art.In the process of death description,Heine almost achieves a perfect communion and harmony between art and death.Thus,death consciousness becomes the biggest aesthetic issue in his poetry writing.