CERI YingKou Equipment Development and Manufacturing Co., Ltd Boiler factory supply steam for manufacture. The boiler factory has 4 boilers now, 3 of them are made in China, they has some problems at steam drum water fluctuation. Sometimes its cause the boiler emergency stop. The essay discuss one of the solution that use the existing equipment. The solution only adjust some parameter of automatic system and change some process engineering . Using this solution not only save the money but insure the boiler steady running. Gained long time economic benefits.