Management method of cache files in storage space and recording device for storing cache files

Abstract

A management method of cache files in storage space, adapted to a storage space storing a plurality of cache files, the management method comprises: forming a cache file status list which records a plurality of file names and a plurality of file status; determining whether a storage condition of the storage space is in a healthy condition; assigning a plurality of corresponding tags to the plurality of file status when the storage condition is not in the healthy condition, and forming a sorted cache file list; and deleting the last file name from the sorted cache file list and the cache file from the storage space corresponding to the file name, wherein the sorted cache file list records the file names which are sorted from a file name of a cache file that should be kept most to another file name of another cache file that should be deleted most.