Spring vibration isolation can reduce the vibration noise of power equipment in thermal power plant, which is a kind of vibration isolation technology has the development potential of green and energy saving.First summarizes the main mechanical properties and characteristics of spring vibration isolation, and the power plants such as steam-turbine generator, coal breaker, steam feed water pump group as an example, then introduces its application in thermal power plant, finally points out the problems in the application of problem, and to be solved urgently in order to provide the reference for the application of spring vibration isolation technology in thermal power plants later.