This chapter discusses the role of sex work in the social construction of sexuality, mainly in the context of Chinese culture as well as a few examples from the Vietnamese or the Korean context. In our approach to sex work, one of the main working hypotheses is the relevance of cultural constraints such as the Confucian ideas or the Taoist lore on the analysis of sexual cultures. Cogently, the aim is not to overestimate cultural factors at the expense of social and economic factors, but to identify the different factors involved in the social construction of sexuality. All these factors are closely interrelated to shape a sexual culture where sex work lies at the core of the ideological and behavioural configuration - sex work thus becoming...