Abstract: The main chemical components of flue-cured tobacco KRK26 between Yunnan new tobacco growing areas(Wenshan, Baoshan, Lincang, Pu'er)and Zimbabwe(Marondera, Chinoy, Bindura)were compared in our study. The results showed that there were significant differences between new tobacco growing areas and Zimbabwe in the content of reducing sugar, chloride, polyphenols, volatile acids, and calcium and pH value. Principal component analysis showed that Puer leaf had higher similarity with Zimbabwe leaf while Wenshan leaf had a little lower similarity with Zimbabwe leaf. Marondera leaf had higher similarity with new tobacco growing areas of Yunnan while Bindura and Chinoy leaf had a little lower similarity with new tobacco growing areas．

Key words: Yunnan, new tobacco growing areas, Zimbabwe, tobacco leaf, chemical component