Reefer containers transportation developed rapidly with the development of the economy, but the number of the case about the cargo loss has been increasing. So it is necessary to develop a fault diagnose system based on information technology. When this system is used on board a ship, it can decrease the work of the crew.The dissertation begins with fault diagnoses and then introduce the reefer containers, such as their specification management and so on . Third, because reefer containers have the character...