Using the Chinese General Social Survey data of 2006, the article researches gender inequality in career advancement of the work organization and explains this phenomenon from the angles of human capital, redistribution and market system, authority hierarchy, occupational gender segregation and so on. The study finds that along with women's education levels rising, gender gap in the advancement is gradually reduced. Gender gap in redistribution organization is smaller than the gap in market organization. Women'disadvantage in advancement is more apparent on the high management position, so the glass ceiling effect is proved in some extent. As one of the important structural factor in gender stratification, occupational gender segregation has no significant effect on gender gap. Gender inequality in work arrangement and promotional mobility is a key dynamic mechanism that maintaining and reproducing the gender inequality in labor market. It should be taken into more deep studies.