Abstract: A Grain of Wheat, his third novel and also representatives, has been published in 1967. this paper focuses on analyzing its narrative time (order, duration and frequency), that is analepsis, prolepsis, summary, scene and iterative narrative, to tell the past of the Thabai villagers, show the inner fear of the colonizers and interpret the neo-colonialism. Through an analysis of it narrative time, it reemphasizes its themebetrayal and being betrayed and human being are trapped in a state of fear, which strengthens the understanding of colonialism which does harm to both the colonized and the colonizer and provides an extensive research field for the novel.