Abstract: For the design of winter wheat planting weather insurance product，5weather indices of winter wheat planting insurance were established，through analyzed the relationship of historical yield loss and disaster weather index,based on the 1993-2009 daily meteorological monitoring data combined with main agro meteorological disasters for the regional winter wheat during the growing season.These weather indices included drought index,late spring frost index,dry hot wind index,continuous overcast rain indexⅠand continuous overcast rain indexⅡ.Index insurance trigger value and compensation standards were established through analyzed the relationship of historical weather index payment ratio and historical yield loss ratio,defined the function of base risk,and minimized base risk.The weather insurance product was tested in Yongqiao district,Suzhou city, Anhui province.The product was sold and covered 1300ha from 2010 to 2012.The insurance premium was more than 110 thousands yuan,and the insurance indemnity was more than 220 thousands yuan due to the trigger of drought index.It can be concluded that the application of the weather insurance product can objectively and quickly provide economic compensation for disaster loss.

Key words: Winter wheat planting insurance, Weather indices, Drought index, Late spring frost index, Dry hot wind index, Continuous overcast rain index, Agriculture insurance