Abstract:National science and technology competitiveness is a comprehensive manifestation of national scientific and technological strength and an important factor in enhancing overall national strength. Therefore, it is very important to evaluate the competitiveness of national science and technology reasonably. This paper draws two paths of relevant evaluation from the theoretical analysis, and selects four internationally typical national scientific and technological competitiveness related evaluation methods, analyzes its development process and the status quo of each system separately, compares the evaluation objects of several methods. The theoretical basis and specific indicators have found that these evaluation methods have problems such as outdated theoretical basis, attention to ranking guidance and low data credibility. On this basis, some suggestions are put forward for the evaluation of national scientific and technological competitiveness in China.