1. A system for analyzing a mean time between failures (MTBF) of an electronic product, the system comprising: a database comprising a plurality of bill of material (BOM) tables for storing data on components of the electronic product; and a computer being installed with a spreadsheet for analyzing the MTBF of the electronic product, the computer comprising: a data importing module configured for importing the data in the BOM tables to the spreadsheet; a reliability analyzing module configured for classifying the data on the spreadsheet, analyzing the reliability of the electronic product by calculating the MTBF of the electronic product on the spreadsheet, and generating a reliability prediction report; a report outputting module for outputting the reliability prediction report; and an output device connected to the report outputting module for receiving the reliability prediction report.