The integrated meteorological observation system is the foundation of weather forecast service, and guaranteeing the integrated meteorological observation system operation steady and reliable has become the key point of the development of meteorological service in China. This paper expounded the construction structure, the technical route, the key technical methods, the characteristics and the functions of the Atmospheric Observing System Operations and Monitoring (ASOM) in China. Besides, combining with the current situations of China’s meteorological equipment monitoring and maintenance, it explored the potential benefits and the future improving direction of the ASOM system.