松材线虫病Ｂｕｒｓａｐｈｅｌｅｎｃｈｕｓｘｙｌｏｐｈｉｌｕｓ是松树的毁灭性传染病，目前在我国大陆５个省已有发生，造成直接经济损失数亿元，对我国松林资源、自然景观和生态环境造成严重破坏。本文阐述松材线虫病的发生情况、危害特点和发生趋势，提出了松材线虫病应采取“预防为主，防治并举，因地制宜，分类施策，严密封锁，积极扑灭”的对策 Bursaphelenchus xylophilus is a devastating infectious disease of pine and is currently occurring in 5 provinces of mainland China, causing direct economic losses of several hundred million yuan, causing serious damage to pine resources, natural landscape and ecological environment in China. This article describes the incidence of pine nematode disease, the characteristics of the hazards and trends, put forward the pine wilt disease should be taken “prevention, control simultaneously, according to local conditions, the classification of policy, a tight blockade, and actively fight” strategy