Traditional scheduled maintenance is commonly used in thermal power units in China. Some parts of units are over maintained and some parts with risk are not under supervision.That compromises the operation reliability of units. According to this situation

we come up with a whole life-cycle management system of main facilities in thermal power units. This system deeply combines dynamic data management

risk management and life management and settle in optimal management of maintenance. This system lists parts that has high risk or short remaining life and recommonds proper maintenance cycle or disposel advices. This system can effectively guide maintenance and improve reliability and economy

avoiding disadvantages of traditional scheduled maintenance.