In the author’s viewpoints, there are five basic propositions that would support sociological research on sexuality to be a kind of precise study. They are that social factors give much more influence than physiological factors do upon men’s and women’s strong degree of sexual desire, frequency of sexual life, abundance of sexual skill, frequency of orgasm and number of sexual problems. Taking these five propositions as hypotheses, using statistic method of multiple linear regression, the author carries on an analysis of the data of the population-based survey of Chinese people’s sexuality (1999-2000). As the result, besides women’s sexual problem, all of the five hypotheses are proved. Thus, a new subjectsociology of sexualityis built up basically. In the author’s viewpoints, there are five basic propositions that would support sociological research on sexuality to be a kind of precise study. They are that social factors give much more influence than physiological factors do upon men’s and women’s strong degree of sexual desire, frequency of Taking these five propositions as hypotheses, using the statistic method of multiple linear regression, the author carries on an analysis of the data of the population-based survey of Chinese people’s As the result, besides women’s sexual problem, all of the five hypotheses are proved. Thus, a new subjectsociology of sexualityis built up basically.