《一个火星人寄一张明信片回家》是克雷格·雷恩的代表诗作之一。它从火星人的角度来描写地球人的日常生活。运用卢卡奇的物化理论,从科技和精神两方面来分析《一个火星人寄一张明信片回家》中的异化现象,揭示了该诗中后现代的人们在科技和精神的双重异化下面临的种种危机。 “Send a postcard home by a Martian” is one of Craig Ryan’s representative poems. It describes the daily life of Earth people from the perspective of the Martians. Using the theory of materialization of Lukacs, this paper analyzes the alienation phenomenon of “a Martian sends a postcard to go home” from the aspects of science and technology and reveals that the postmodern people in the poem face under the double alienation of science and technology The crisis.