首先，从证券信用交易的内涵及外延入手，对证券信用交易制度进行了概括介绍。

Firstly, it is from the connotative and denotative meanings of securities margin trading to generally introduce securities margin trading system.

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介绍了我国证券信用交易的制度变迁，从对现阶段的制度准备做了基本叙述，并指出我国证券信用交易制度准备的不足及环境欠缺。

After introducing the institutional change, this chapter describes the securities margin trading system at present stage, pointing out the deficiency of margin trading.

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信用交易是成熟证券市场普遍采用的一种交易方式和制度。

Credit transaction is one of the transaction measures which is widely used by the mature securities market.

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