SummariZes the existing 3D model retrieval’s rescarch and development tendency.Analyzes the feature extractive technique of the existing 3D model’s characteristic. An experimental system of 3D model retrieval was designed to testify the improved feature extractive technique. It is a beneifcial exploration to the 3D model retrieval technology.%总结了现有三维模型检索技术的研究现状和发展趋势，对现有三维模型特征提取技术进行了分析研究，设计了一个三维示例查询的三维模型检索系统，对提出的特征提取方法进行了实验验证，对三维模型检索技术进行了一次有益的探索。
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