Throughout his whole life, Cao Zhi never suspended to explore the topic of mystical excursion, and had tried different ways to show in his works. In the early stage, Cao Zhi showed skeptical to mystical and immortal idea, while in his middle and later stages, he encountered frustrations and disappointments, and finally turned to find mystical excursion as his inner resources. Aiming at examining the profound meaning of the topic of mystical excursion in Cao Zhi's poetries, this article focuses on his works with mystical and immortal idea, together with the discussion of his life.