凯尔森以纯粹法作为理论基础,通过对国际法性质的分析,提出了国际法优先于国内法的主张,并通过对国内法与国际法性质、主体、渊源及效力理由的比较,以及对法律秩序的分析,推导出国际法与国内法一元论、国家与法一元论的观点。凯尔森的国际法优先说和抽离了价值判断的纯粹法理论包含丰富的国家平等思想和世界和平主张,对于我们理解国家主权具有重要参考意义。 Based on the pure law as the theoretical foundation, Kelsen put forward the idea that international law takes precedence over domestic law through the analysis of the nature of international law. By comparing the domestic law with the nature of international law, the subject, the origin and the validity of the law, as well as the legal order Analyze and deduce the views of monism of the international law and domestic law and monism of the state and law. Kelsen’s theory of the primacy of international law, which divorced from the value judgments, contains rich ideas of national equality and the idea of ​​world peace. It is of great reference to our understanding of state sovereignty.