Abstract: Disclosed is internet-based service system and method for remotely restoring damaged data and files through the internet in case that the data and files stored in the hard discs and floppy discs of client personal computers (PC) are partly or entirely damaged. If a user connects to a restoration server through the internet network, a restoration plug-in module of client PCs and a restoration plug-in module of the restoration server will be compared after judging whether the user is registered. The damaged data and files will be restored by using the restoration plug-in module stored at client PC, a restoration result will be recorded and transfer to the restoration server for analyzing the result and the analyzed result will be transferred to client PC and simultaneously recorded on database.