中文摘要：

互助担保自身的组织形式决定了其拥有信息上的优势，能够有效弱化银行与中小企业之间的信息不对称问题；成员间良好的自我选择、横向监督和社会约束机制，能够大大降低中小企业的逆向选择和道德风险。互助担保在我国部分省市多年来的成功实践已经证实这一优势，理应以互助担保为基础重新构建我国的信用担保体系。

英文摘要：

Mutual guarantee determines enterprise＇s priority of information, and can effectively weaken the information asymmetry between banks and small and medium sized enterprises. And mechanism of self choice, horizontal monitor and society restrains can largely lower the reverse selection and moral risks of small-and medium sized enterprises, and the priority has already been proved by the successful practice of mutual guarantee of many provinces for recent years. Therefore, a system of credit guarantee should be reconstructed on the basis of mutual guarantee.