目前的嵌入式系统多使用FLASH作为主存，因此，如何有效管理FLASH上的数据非常重要。文章以MX29LV160BT芯片为例，讨论了在VxWorks操作系统下Nor Flash上建立TFFS文件系统的一般步骤，从而为FLASH上的数据管理提供了理想的选择方式，同时也为开发者和用户升级程序提供了方便。-The current use of embedded systems as the main memory FLASH, so FLASH on how to effectively manage the data is very important. Article MX29LV160BT chip as an example to discuss the VxWorks operating system in the establishment of Nor Flash file system TFFS general steps for FLASH data management provides the ideal option, but also for developers and users upgrade to provide a convenience.