Abstract: Yangtse and Yellow River drainage area are prone to form serious flood waterlogging disaster.According to the data analysis of flood waterlogging disaster in Yangtse and Yellow River drainage area,by using commensurability of informative forecast theory,the tendency of the next flood waterlogging disaster is predicted.The conclusions indicate that the strong disaster of biggish flood waterlogging disaster will probably occur in 2008 and 2013 at Yangtse River and in 2012 at Yellow River.These messages are expected to offer an important referenced datum for the purpose of disaster prevention and reduction.