金融约束是金融发展理论中较前沿的问题，其理论对发展中国家金融发展有重要的借鉴价值。本文简要介绍了金融约束中租金的作用，然后运用金融约束这一框架分别分析了租金在全球化和不同所有制结构条件下的流动，得出了金融约束将受到甚至变形的结论，并结合我国金融发展的实际情况，提出了一些建议。 Abstract: Financial restraint is a frontier issue in the theory of finance development; it has important use for reference during the process of financial development in the developing countries. Firstly, this paper present the function of rent in the financial restraint, then we use this framework to analyze the rent flow under the globalization and different ownership structure respectively, find that financial restraint will be weakened, even distorted. In the end, we provide some suggestions combined with the situation of China.