Abstract: Government credibility is the core and foundation of the social credit system and the basic requirement of a government ruled by law. At present，the lack of government credibility has caused a credibility crisis in China，and has brought about a series of contradictions between the government and the public. The key reason for such phenomenon is inadequate legal system. The most urgent task at present，therefore，should be perfection of legislation concerning government credibility，which sets specific regulations on government credibility，and improves the relevant supporting mechanism so that government administration can be positively carried out.

Key words: government ruled by law, government credibility, the lack of government credibility, legislation concerning government credibility, supervision of government credibility 