【正文】
of universal health care from the point of equality of baseline, and analyzes some examples of foreign countries who have already to achieve a successful universal health care, define the concept of universal health care and three main ways to achieve universal coverage currently. There are three levels of equality of baseline, the first level, named equal opportunity, which is the threshold of universal health care and basic requirements. Empirical part of the article using date from 1989 to 2009, which made eight CHNS survey data as the basis, through the establishment of Probit model, from many factors such as the personal characteristics, regional characteristics, occupational characteristics and ine, analyze the main factors which may affect the behavior of insuring medical insurance, and the distribution of the group of the medical insurance in different characteristics. The empirical results show that there is a clear unfairness in China’s health insurance system. Participating behavior is mainly affected by age, gender, occupational characteristics and educational levels。 meanwhile, empirical analysis of data es from China Health and Nutrition Survey (CHNS), sample volume is huge, and pared to data got from the domestic researchers on field research, statistical data from websites, the data from CHNS are more detailed. And foreign researchers in the study of China are widespread using this database. The selected data are from 1989, through 8 survey, the latest data update to 200