Flash memory storage array control method, and the flash memory

Flash memory storage array control method and the flash memory. The flash memory array includes a plurality of storage groups. Each group contains at least one block. Said method comprising the steps of: determining properties of a host supplied data, the data confirmed by storage group attribute, and then saved to the storage blocks in the group, so that all blocks belonging to the same group of storage It has the same attribute data; and for defining valid data blocks in the same group of blocks spatially integrated to release.