Abstract: Network is an important space in the current ideology, and the network sentiment has the possibility of the evolution of ideology. The ideological work in universities is a timely and effective way to carry out the monitoring and early warning of the ideological evolution of the network sentiment. On the basis of investigation and research on the propaganda department and the outstanding counselors, some suggestions are put forward to strengthen the monitoring and early warning: research and develop the monitoring index of the evolution of group ideology, construct a cooperative monitoring mechanism and the capacity of the monitoring team. In addition, the monitoring and early warning system of ideological evolution is only a part of the system of ideological work, the scientific and effective ideological work must be combined with the online and the offline.