Nonvolatile memory system and method managing file data thereof

The present invention relates to a nonvolatile memory system, and its file data management method. The non-volatile memory system according to the present invention is a nonvolatile memory for storing data files; And a file system for storing static information and dynamic information management, and file static information and dynamic information about a file in the file data in the nonvolatile memory. The invention classifies and manages the file data in a file with static information, dynamic information file. According to the present invention, it improves the write performance and read performance of the file system.