The field experiment was conducted to investigate the effects of different types of organic fertilizer on the contents of petroleum ether extracts,aroma components in flue cured tobacco leaves.Results showed that:1) The treatment of applying organic fertilizer all increased the contents of petroleum ether extracts,the contents of petroleum ether extracts in the middle and the upper leaves were the highest in T3,reached 776% and 875%,respectively；2）There were 24 kinds of aroma components in the upper leaves and the 18 kinds in the middle leaves in the three treatments of combined application of chemical fertilizer and different organic fertilizers all were higher than CK；The total contents of neutral aroma components in the middle and the upper leaves in T3 was the highest,the two positions reached 1 29145,1 52434 μg/g,respectively,increased by 332%,3486% than CK respectively.