According to the unified construction of the new media social responsibility index system，this article attempts to take eight national news websites as observation object and use content analysis method to evaluate the eight sites’performance ofsocial responsibility. The analysis of results shows that the national news websites’ performance of social responsibility is good in general and People’s Daily Online、Xinhua and China Internet Information Center rank the top three respectively. Through the analysis of four primary indicators of social responsibility—Information production，social supervision，cultural education and coordination，we have found that National news websites show a slight lack of attention to originality and depth of information. The lack of attention to the social risk information，imperfect entertainment content and application，inactive online and offline interaction are also the existing problems. Research suggests that National news websites should continue to strengthen to fulfill their social responsibility，and especially emphasize on the following respects：Paying attention to original informationand the quality of information production；Highlighting social supervision and further expansion of the scope of supervision；Moderately expanding the culture education function，and also giving consideration to entertainment content and applications；Strengthening the online communication and the benign interaction with users.