In this paper, through analyzing deeply the Hard Disk Master Boot Sector's (HDBMS) structure, we discuss the importance of HDBMS, and how to protect the HDBMS from the virus of computer.%通过对硬盘主引导扇区结构的深入剖析,论述了硬盘主引导扇区在硬盘系统中的重要作用,提出了如何对硬盘主引导扇区进行安全维护,有效地防止计算机病毒的破坏.
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