According to the data of historical climate passed 100 years, the comprehensive effect of various factors, including seawater temperature,sunspots activities, volcanic explosion, co2 concentration,o3 con centration and atmospheric circulation index,climate change of Heilong jiang province,was analyzed.The tendency of climate change of Heilong jiang province in the next ten years was predicted. The influence of climate change on forest fire was put forward and response strategy was briefly discussed.