Briefly introduced the purpose and significance of the revised public safety industry standard GA 185 Statistic Method for the Fire Loss.The scope of fire loss statistic includes the direct fire loss and casualties,and the classification and definition of fire loss were introduced,too.The loss identification was explained,including indentifying the name,number and category of the loss,value before the accident and the loss degree.The statistical principle and method of fire statistic were introduced.The article can help with people understand and conduct the standard better.