This paper elaborated the development process of air conditioning system operation parameters real-time monitoring software platform. Firstly, the article started from the central air conditioning unit duct system characteristics and monitoring process, introduced the system design process and set up the system frame;Then designed central air conditioning unit duct system automatic monitoring system which based on configuration software configuration .It realized the air conditioning unit duct system automatic monitoring of visualizations and the dynamic display of the data. The last program debugging operation proved system can operate normally, can realize real-time data acquisition、display and database storage function. It provided a reference for later engineering application.