本文分析了基于NAND闪存的文件系统YAFFS的有关特性。通过在嵌入式Linux上实现YAFFS的实例，介绍了在嵌入式系统中使用NAND闪存的方法。-This paper analyzes the NAND flash memory-based file system YAFFS relevant characteristics. Adopted in the embedded Linux to achieve YAFFS example, introduced the system in the embedded NAND flash memory used in the method.