Address mapping method of high-capacity solid state disk and solid state disk

The invention provides an address mapping method of a high-capacity solid state disk and the solid state disk, a memory of the solid state disk comprises a plurality of physical blocks, each physical block comprises a plurality of physical pages, and the address mapping method of the high-capacity solid state disk comprises the following steps: obtaining the number of the physical pages; forming an expression according to the number of the physical pages by power of two, and judging whether the number of the physical pages meets a physical page digit reduction condition or not based on the expression; if yes, when mapping is carried out from the physical page address to the physical page mapping address, physical page digit reduction mapping is carried out. For a high-capacity SSD (Solid State Disk), a Die (wafer) uses a single partition as much as possible, the OP reserved space is saved, and a mapping table is compressed. 本申请提供大容量固态硬盘的地址映射方法及固态硬盘，固态硬盘的存储器包括多个物理块，物理块中包括多个物理页，该大容量固态硬盘的地址映射方法包括如下步骤：获取物理页的数目；根据