Trinary tree has been applied widely to modern management and information system .

三叉树已广泛应用在现代管理信息系统中。

This paper starts with the conception of trinary tree , introduces four storage structures in detail , as well as compares and analyses the basic operation and storage efficiency at length .

本文从三叉树的概念入手，较详细地介绍了四种存储结构，并在存储效率及基本操作上进行了详细的比较与讨论。