虫害可以严重损害树木的健康生长，对森林安全有着严重的威胁。因此，林业虫害的防治就成为了林业工作中的重要组成部分。本文就以林业虫害的发生原因及防治对策为主题，分析林业虫害发生的原因及特点，并根据产生的原因而提出防治的对策，促进森林的健康发展。%Pestis disease is the big danger of trees’ health, threatening forestry security. So forestry pest prevention and control has be-come the important part in forestry work. This paper took why forestry pest occurred and countermeasures for the theme, analyzed the reasons and features, proposed some control measures so as to promote the healthy development of the forests.
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