Drought disaster is one of the main natural disasters in Shaanxi Province

which is often called "9 droughts out of 10 years".It impacts the people′s lives and social production to different extents.Therefore

it is of great significance to scientifically analyze and assess drought disaster for all levels of government to develop prevention and mitigation measures.The precipitation and other meteorological data from the 96 weather stations of Shaanxi Province in the period of 1981—2010 were used for analyzing drought disaster features by the means of the percentage of precipitation anomaly drought index in detail.The following conclusions are drawn.(1) Drought disasters in Shaanxi Province distributed extremely unevenly

and basically

more in Northern Shaanxi Province and less in Southern Shaanxi Province.(2) There were both widespread drought disasters over all the province and regional drought disasters in Shaanxi Province and the frequencies of regional drought disasters in Northern Shaanxi Province and Guanzhong area were higher than that in Southern Shaanxi Province.(3) The seasonal variations of drought disasters have the significant differences in Northern Shaanxi Province

Southern Shaanxi Province and Guanzhong area.The seasonal variation of drought disasters was the greatest in the North Shaanxi Province

followed by in Guanzhong area and Southern Shaanxi Province in turn.(4) Some of persistent drought disasters occurred in the same season and some persisted for two seasons.On the whole

the occurrence of drought disasters was more in spring

autumn or in the periods from spring to autumn and from autumn to winter.The persistent drought disasters were less in Southern Shaanxi Province.