Based on an analysis of the data acquired in a questionnaire survey in 2005, and referring to the measuring method of human capital earning rate put forward by Murphy andWelch, the paper makes a statistic test to the differences of Mincer earning rate of China's education that exist between different regions, industries and genders, and explains the reasons behind these differences.The research shows that industry is the leading factor affecting individual's educational earning rate, which is the lowest in monopoly industries, followed by state organs and institutions, and is the highest in competitiveness industries.From the aspects of region and gender, the education earning rate of middle and west China is higher than that of east China, while the rate of women is higher than that of men.