This paper examines Chinese women's perception of ' xing ', the term for sex/sexuality in daily lives. It bases on in-depth interviews with 38 urban Chinese women born in 1970s, participant observation and experience of daily lives. Xing is a fluxing concept in changing contexts. Husband-wife life, a term got popular in Mao's era (1950s) is still widely used, which has a strong implication of relationship within marriage and the life far more than sexuality. However, it is challenged by 'sexuali