A method for increasing reliability of data accessing for a multi-level cell type non-volatile memory, wherein a plurality of data storage blocks are taken for data accessing of a computer system in accordance with the structure of storage of the multi-level cell type non-volatile memory; and a page jumper is provided to select at least a set of data storage pages in corresponding to a physical page of same storage cell, by jump connecting of the page jumper which jumps over another data storage page in corresponding to the physical page of the same storage cell, then the data storage page selected is accessed for at least a data storage block. the frequency of erasing of flash memory blocks can thus be reduced to elongate the life of use of the multi-level cell type non-volatile memory, this can assure integrity of the data in accessing during abnormal system power breaking.
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