Liao Hui-ying, the novelist, is famous for writing love in the city and realistic novels. She loves to construct women's experiences in lives through the misfortunes and entanglements of love. Among them, the depiction of extramarital relationships occupies a major part in Liao's novels, such as The Road of No Return, Drizzle Tonight, Blind Spot, Dust Falling, Drifting Red Lotus, Urban Migratory Birds, and more. Most explore the games of love between modern men and women. This essay mainly explores the theme of extramarital relationships from three different aspects. First, it explains the shaping of men and women in extramarital relationships discussed in this essay and depicts their features. Then, it attempts to connect the author's writing of extramarital relationships with the outlook of love in modern cities. Reading the texts closely, it attempts to pinpoint the problems highlighted by extramarital relationships and marriage. Finally, it hopes to conclude the thinking conveyed in her works to discover the profound meanings behind the texts. Regarding research method, the author adopts the strategy of "interpreting Liao with Liao" as part of the approach. It attempts to find out related discussions of the theme in Liao's essay and fathom their meanings. In addition, Liao is observed in the context and position of creating writing in contemporary Taiwan society side-by- side with the plots of her novels to sort out the context of her thinking.