Magnetic bearing centrifugal chiller has the advantages of high partial load efficiency, low vibration and noise, environmental protection and oil-free, low maintenance requirements, and smart operation. It is a new generation of mainframe developed by the world's large ice water machine factories, but the initial installation of equipment is cost highly; and after the industry takes over the technology, it takes too long to mass-produce the product, which will affect the investment recovery period and the effect of energy-saving promotion. Therefore, the reduction of equipment operation and maintenance costs will be crucial. In order to achieve this goal, this research introduces the Internet of Things and cloud technology into the application of the magnetic bearing centrifugal chiller, and establishes an intelligent monitoring system. The user can monitor remotely, instantly understand the operating status of the unit, and quickly eliminate abnormalities and shorten downtime. Repair time and extend the service life of the unit, thereby improving the overall efficiency.