In 2008， China encounters unseen before enormous natural calamity two From the 10th of January to February 2， the icy weather course of broad low-temperature sleet of 4 times successively happens in the whole country， lasts more than 20 days， the disaster area of the crops is 667 hectares; 485，000 collapsed houses; Because 1，5 hundred million yuan of direct economic losses of Take place enormous earthquake disaster of " 512 " of Wenchuan of Sichuan cause the losses that can't be appraised either in our country later， it is a terrible nightmare to the whole of China and even the whole world， it is another humanity disaster in the history of mankind， risk assess company AIRWorldwide say China over 20 billion dollars economic losses that strong earthquake that Sichuan Province take place cause， it is about about 140 billion yuan to convert to RMBMeanwhile， natural calamity two times caused enormous damage to the supply chain in the disaster-affected area too， communications and transportation and enterprise are produced and nearly totally cut A large number of lessons tell us， there is a lot of uncertainty and risk in supplying the operation of the chain， risk these light to damage， supply chain link bring loss is serious to make， supply chain paralyse entirely， bring to national economy and maul， today of economic liftoff of our country， particularly important for supplying the risk management of the chain， it has guaranteed to supply the smooth operation of the chain and face the emergency processing under risks such as the natural calamity， This text supplies uncertainty of the chain and risk management according to this Keyword: Supply the uncertainty of the chain， the risk， risk management， natural calamity， the risk is assessed
