前兆管理系统数据库备份是保证前兆台网正常运行一项重要内容，本文详细介绍前兆Oracle数据库的冷备份方法，备份包的保存方式，移动硬盘的加载，备份脚本的功能及使用方法。

The backup of precursory management system database is important for the normal operation of precursor network. The precursor Oracle database cold backup methods, the mode for saving the backup package, the loading of mobile HD, and the function and usage of backup script are described in detail in this paper.