This paper advances a project - based teaching mode of Seven - Steps and Three - Stages in order to direct against some problems exsiting in the process of traditional teaching and learning of data structure. ＂Seven Steps＂ means the seven steps of project development including analysising requirement, providing solutions, partitioning modules, designing lgorthms, designing code, debugging and testing, analyzing and sumarizing the results. ＂Three Stages＂ means the three stages of teaching process. The firsr stage is that the teacher explains all of the sev- en steps of this project development. The second stage is that the teacher explains the first three steps, the other four steps are finished by students. The third stage is that the teacher offers the challenge and all the steps are finished by students. This paper elabrates this mode is be implied in the teaching course and gives a practical teaching and learning project which analyses and explains this mode. The practical results show that the teaching mode can train students＇practical ability and innovative ability. Consequently, this mode can improve the teaching quality.%针对传统的数据结构课程教学中存在的问题，提出了“七步骤三阶段”项目导向教学模式．“七步骤”即项目开发的七个步骤：分析任务需求；提出解决方案；模块划分；算法设计；代码设计；调试和测试；结果分析和总结．“三阶段”即将项目导向教学过程划分为如下三个阶段：第一个阶段由教师讲解项目开发的所有7个步骤；第二阶段由教师讲解前3个步骤，学生完成后4个步骤；第三阶段由教师提出任务，所有的7个步骤由学生自主完成．阐述了该模式在课程教学中的实施过程，并给出一个实际教学项目加以分析说明．实践表明，这种教学模式有利于培养学生的实际应用能力和创新能力，全面提高了教学质量．
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