This paper provides an idea of perfecting regulations about nullity of marriage on condition of analyzing newly amended marriage law, the reason f nullity, and a comparison of regulations about at various nations. 本文通过对无效婚姻原因的分析和各国无效婚姻制度的比较,结合修改后的《婚姻法》关于无效婚姻的规定,提出了进一步完善该制度的构想。