[目的]探索国内外卷烟中水溶性总糖、还原糖、总氮、总植物碱含量的差异。[方法]采用连续流动法测定了国内外112个卷烟样品中水溶性总糖、还原糖、总氮、总植物碱含量,并对检测结果进行差异性研究。[结果]国内卷烟中的水溶性总糖、还原糖、总植物碱含量显著高于国外卷烟,而总氮含量明显低于国外卷烟。水溶性总糖、还原糖含量在国内烤烟型卷烟中最高,国外混合型最低,不同类型卷烟中的大小顺序为:国内烤烟型>国内混合型>国外烤烟型>国外混合型卷烟;国内烤烟型卷烟中总氮、水溶性总糖、还原糖含量最低;国内烤烟型和混合型卷烟总植物碱含量均显著高于国外烤烟型和混合型卷烟,但国内烤烟型和混合型之间以及国外烤烟型和混合型之间均无显著性差异。国内烤烟型中的1类烟水溶性总糖、还原糖含量最高,总氮含量最低;在不同价位卷烟中水溶性总糖、还原糖含量的大小顺序为:1类>2类>3类>4类。[结论]为研究国内外不同卷烟特点和烟叶原料在工业中的合理使用提供参考。 [Objective] The research aimed to explore the difference of water soluble total sugar, reducing sugar, total nitrogen and total plant alkali in domestic and foreign cigarettes. [Method] The contents of total soluble sugars, reducing sugars, total nitrogen and total plant alkaloids in 112 cigarette samples at home and abroad were determined by the continuous flow method. The differences of the test results were also studied. [Result] The contents of total soluble sugars, reducing sugars and total plant alkaloids in domestic cigarettes were significantly higher than those of foreign cigarettes, while the total nitrogen content was significantly lower than that of foreign cigarettes. Water-soluble total sugar and reducing sugar content are the highest in domestic flue-cured tobacco, the lowest in foreign countries. The order of the different types of cigarettes is: domestic flue-cured tobacco> domestic mixed flue-cured tobacco> foreign mixed-type flue-cured tobacco; The contents of total nitrogen, water-soluble total sugar and reducing sugar in cigarette were the lowest. The contents of total alkali in domestic flue-cured tobacco and mixed-type cigarette were significantly higher than those in foreign flue-cured tobacco and mixed-type cigarette. However, There was no significant difference between type and mixed type. In the domestic flue-cured tobacco category 1, the total soluble sugars, the content of reducing sugars and the content of total nitrogen were the highest. The order of the content of total soluble sugars and reducing sugars in different price cigarettes was as follows: Category 1> Category 2> Category 3> 4 categories. [Conclusion] This study provides a reference for studying the characteristics of different cigarettes at home and abroad and the rational use of tobacco raw materials in industry.