在现代社会中，性别工资差异是一个长期存在的问题，同时教育又是提升个人社会经济地位的主要手段。本文重点研究教育在男女中的异质性对性别工资差距的影响。利用CGSS2015的数据，采用比较先进的FFL分解方法，对于不同收入群体做深入研究，得出了接受高等教育对于性别工资差异的减小有积极作用，以及女性在低收入群体中同等教育年限会受到歧视，但高收入中却有助于缩小工资差异的结论，因此政府的政策导向应该更关注于低收入群体。

In modern society, gender wage gap is a long-term problem, while education is the main means to enhance the social and economic status of individuals. This paper focuses on the impact of Education on Gender Wage Gap. Using CGSS2015 data and FFL decomposition method, this paper makes an in-depth study of different income groups, and concludes that higher education plays a positive role in reducing the gender wage gap. And women in low-income groups will be discriminated against the same education, but in high-income groups education will help reduce the wage gap conclusion, so the government's policy should pay more attention to low-income groups.