We try to use the digital information method p roposed by p rofessorOuyang shoucheng to analyze the high - temperature and heat damage weather occurred in Hu’nan Province in 2009. The results showed that the method not only can reveal the specificity of the high - temperature, heat damage weather aswell as the forecast objective basis, but also can be in advance of the forecast period of 2 - 3 days. The method is p ractical and worthy to be used by front - line weather forecasters.