While extramarital affairs and bao ernai have gained notoriety in Chinese society, the phenomena of xiaosan and ernai have been explosive in academic and legal spheres. Yet, these social phenomena among ethnic minority groups in China are unknown. This study is the first to explore the experiences of extramarital relations outside official marriage among the Hui ethnic group in China. The extramarital relations in the specific dual (Han/Hui) cultural context are interpreted and understood diversely due to the interplay among a host of conditioning factors –interests, beliefs, norms, legal codes, moral sanctions. By using the snowball sampling method, this study has deployed in-depth interviews and focus group discussions with 41 Hui men and women living in either the capital or in a the small town oin Qinghai Province in western China. This thesis examines the way in which Islamic religious values are played out in the context of Chinese law and extramarital relations. It also examines why, given the Hui knowledge of their religious and ethnic position, the Hui engage in extramarital affairs outside official marriage. Thus, it seeks to understand the Hui with respect to their intimacy and sexual relations both within and outside official marriage in contemporary China. This study argues that, in the local context, the Hui preserve their religious beliefs and Islamic values to differentiate themselves from other ethnic groups. Islam is a key marker of their ethnicity, functioning as religious law to culturally validate their behavior. Local knowledge of legal pluralism enables the Hui to act defiantly, despite the state’s disapproval of their practices of extramarital intimacy and sex. The interaction between the state and customary law is under the unilateral control of the state. Instead of coexisting, this legal unilateralization shows that customary law usually gives way to state law wherever they intersect. As a result, the interplay of the two legal cultures – that of the Chinese state and that of Islam – ...