Abstract: The application of Surfer in drought prediction and decision service system was descript. The script languages were used for mapping the drought severity degree,including the contour map,the small grid map and the regional filling map. The forecast data was used for drought warning,monitoring and trend prediction. The resemble year was used in the drought assessment. The recommendations for responding the drought disaster were made. The results of drought monitoring in 2006 showed that the severities of drought were fully reflected on the maps,which could provide great guidance and help to grasp the key points for the drought disaster mitigation.

Key words: Surfer, Surfer, Drought disaster, Prediction and warning decision, Contour map, Small grid map