Located in Eurasia inland,Tacheng Basin belongs to arid and semi-arid climate region in middle temperate zone,and the main crops include winter wheat,spring wheat,maize,seeding-watermelon,sugar beet and so on,while winter wheat is the main food crop.From November 2009 to March 2010,a snowstorm which occurred every 60 years appeared in Tacheng Basin,and there was more snowfall in five continuous months,while this snowfall broke through the extreme value in history and reached a historic high.Based on the comparison between practical monitoring data and history data of winter wheat,the effects of snowstorm on winter wheat production were analyzed.