There are three typical business models in the world today due to different national conditions. They are marketing credit transaction model, professional credit transaction model and intermediate credit transaction model. They all have their own characteristics, advantages and disadvantages. The enlightenment of them on Chinese Mainland’s securities margin financing business appears in the following three aspects. Firstly, transaction model should be selected on one’s own national conditions and improve with the development of the security market. Secondly, the margin financing business has a positive influence on the participants of Chinese Mainland’s financial market. Thirdly, it is of great help to the improvement of the relevant regulatory system of the securities credit transactions.%由于各国的国情不同，当今世界融资融券业主要有3种典型的业务模式：市场化信用交易模式、专业化信用交易模式和中间型信用交易模式。它们各有特点和利弊影响。3种融资融券模式对中国大陆开展融资融券业务有3点重要启示：（一）交易模式的选择要根据自身的国情而定，并随着证券市场的发育程度不断完善；（二）融资融券业务对中国大陆金融市场各参与主体都有积极影响；（三）健全证券信用交易的相关监管制度。
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