烟草赤星病是当前烤烟生产上危害性最大的病害，严重时可以毁灭整个烟田，它的流行因素很多，主要与生长期、品种、施肥、降雨、种植密度等条件有关。当条件适宜，病害发生就重，反之，则轻。本文就上述条件，提出了相应的综合防治措施。 Tobacco brown spot disease is the most harmful disease in the production of flue-cured tobacco. In severe cases, it can destroy the entire tobacco field. It has many epidemic factors, mainly related to growth conditions, varieties, fertilization, rainfall, planting density and other conditions. When the conditions are right, the disease occurs on the heavy, on the contrary, then light. In this paper, the above conditions, put forward the corresponding comprehensive prevention and control measures.