本文分析了缅甸烟草霜霉病菌入侵中国的风险。根据ISPM规定的有害生物风险性分析程序,从烟草霜霉病菌国内外分布、潜在危险性、受害作物的经济重要性、传播扩散可能性及危险性管理难度5个方面对其在中国云南的风险进行了综合分析。结果表明烟草霜霉病在中国云南的综合风险值R为2.56。该病菌在云南是高度危险的检疫性有害生物,本文针对烟草霜霉病提出相应的管理对策。 This article analyzes the risk of Burmese tobacco downy mildew invade China. According to the pest risk analysis program stipulated by ISPM, the risk of tobacco downy mildew in China and abroad, the potential risk, the economic importance of the damaged crops, the possibility of spreading and spreading and the difficulty of risk management are analyzed. Conducted a comprehensive analysis. The results showed that the overall risk value of tobacco downy mildew in Yunnan, China, was R 2.56. The pathogen is a highly dangerous quarantine pest in Yunnan. In this paper, we put forward corresponding management strategies for tobacco downy mildew.