Zhejiang Province is rich in bamboo resources,and it’s bamboo industry is developed.It is a key bamboo—producing province in China.The sleet and snow disaster made this province's bamboo forest suffer heavy losses at the beginning of the year 2008,with the affected area covering 520 thousand hm²,which accounts for 66.4% of the bamboo forest’s total area ;Direct economic losses reach 3.6 billion yuan,occupying 37.7% of the forestry total losses. On the basis of th analysis on the sleet and snow disaster,the affected bamboo forest,people's life,ecological functions,secondary disaster are assessed;Secondly,analysis is also made on the disaster affects from the aspects of the elevation,the mixed forest and the pure forest,the age structure of bamboo forest,hooked top of bamboo trees,the forest land cultivation and use of herbicide,gradients and locations,etc.Finally disaster prevetion countermeasures are put forward.