The appearance quality , chemical compositions , sensory quality of flue -cured tobacco leaves in Wanzhou , Chongqing in 2011 were determined and analyzed .The results showed that: the tobacco color varied from orange to lemon yellow;the maturity grade was “mature” or“completely mature”;the leaves had loose structure and medium identity;the upper and middle leaves had more oil content , while bottom leaves had little oil content;the chroma of upper and middle leaves belonged to “strong”, while that of bottom leaves belonged to “medium”;the sugar-alkali ratio of upper and middle leaves increased to some extent as compared with the previous ratio , and made the balance between tobacco leaf smell and irritation better .Therefore, the flue-cured tobacco leaves in Wanzhou had better aroma quality , more sufficient aroma quantity , light or lighter mixed gas , a little or little irri-tation, and comfortable or more comfortable aftertaste .The values of these tobacco leaf quality indexes were all in the scope of in-dustrial usability .%对重庆万州2011年烤烟3个部位烟叶的外观质量、化学成分、评吸质量进行了测定分析，结果表明：烤烟颜色在橘黄、柠檬黄色域；成熟度在“成熟”或“完熟”档次；叶片结构疏松，身份中等，油分以上、中部叶多，下部叶有；色度上、中部叶属于“浓”档次，下部叶属于“中”档次；上、中部叶的糖碱比值较以往有所增大，使得烟叶吸味和刺激性间的平衡较好。由此可知，万州烤烟香气质较好、香气量较足、杂气有或较轻、刺激性有或微有、余味尚舒适至较舒适，这些烟叶质量指标均处于工业可用性范围之内。
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