Social credit system is a long-term management mechanism to guarantee the sustainable,stable and efficient development,both socially and economically. With the establishment and perfection of socialist market economy system,social credit system construction has gradually carried out under the policy guidance of the CPC Central Committee and the State Council. In more than 20 years,it has experienced several important stages of preliminary planning,comprehensive construction and continuous improvement.Currently,the construction of social credit system in China has made positive achievements. However,the level and quality,on the whole,can't catch up with the requirements of economic and social development in China. There are problems such as weak credit awareness,credit loss,unsound credit laws and regulations,lack of effective integration of credit information platform,imperfect credit services market,absence of credit incentive linkage mechanism. This report concludes that the following aspects such as moral standards system,legal system,credit services market,government credit system as well as judicial reform,should be enhanced to improve the construction of social credit system in China. <<