Grade division of each typhoon disaster item in China region is conducted by selecting areas of crop suffered disasters, quantity of house collapsed and damaged, amount of died people, direct economic loss and then establishing the nondimension function transform. And by using the theory of grey association analysis, the general disaster grade division standard is confirmed. Based on the above study, a typhoon g〖HJ〗eneral disaster grade division model is put forward. In terms of this model, the disasters caused by typhoons landing China in 2000-2007 are compared each other, and the analysis results are reasonable.