On the basis of analyses of distribution,features of viving condition,vehicle and host of forest encephalitis,this paper focus on the investigation of hatural epidemic-stricken areas of forest encephalitis,and the way of prevention and control of it.

• 在分析森林脑炎分布与生境特征、媒介及宿主的基础上,探讨我国森林脑炎自然疫源地区划和防治措施。