Realization of History Trend Curve in Monitoring System Based on Kingview6.5

History trend curves should be accomplished to inquire,control and manage history data in monitoring system of general industry processes. In this paper,the author introduces detailedly how to finish the history trend curve of monitoring center of a reaction plant based on Kingview6.5.If users use the introduced method to establish history trend curve,they will establish individualized curves for different systems.So the method is very practical.