Social stratification is one of the most important phenomena in social structure. After entering the 21st century, with the improvement of the market competition mechanism, social differentiation has become more and more serious. This paper discusses the social stratification in China from three aspects: main stratification standard, composition and characteristics and practical significance of contemporary society, takes occupation as the standard of social stratification, takes resource occupation as the basic dimension to divide the social class, and emphasizes the significance of contemporary social stratification in the construction of harmonious society.