Abstract: With the purpose of evaluating the reliability of information equipment, this paper constructs a reliability evaluation index system of information equipment is constructed with the classical reliability theory, the reliability evaluation process and core method of information equipment based on field data are proposed, the fault distribution model construction method and the evaluation process of optimal distribution for the failure time points of host, storage and other equipment and their key components are realized, and the evaluation process is demonstrated with specific arithmetic examples. The reliability evaluation index system and reliability evaluation method given in this paper provide model support for information equipment health evaluation and prediction, and help to improve the operation and maintenance level of information equipment.