Based on the reliability and life management on aeroengines used in army in western countries, the basic elements of aeroengine reliability and life management are expatiated, and the differences and errors about reliability in China are discussed. The reason that the reliability and life management lag behind is pointed out, for example, outmoded management concept, inadequate management system, weak groundwoork, imperfect standard Finally, the paper points out the proper way to construct and improve the reliability and life managtment in China.