Abstract: In order to reduce the fluctuations of stick weight, draw resistance and loose end percentages during slim cigarette manufacturing, the effects of conventional tobacco cutting and flexible cutting technologies in the production were comparatively analyzed. Comparing with the conventional cutting technology: 1) Flexible cutting technology reduced the proportion of long tobacco strands and promoted the proportions of medium and short strands under the premise to control short strand proportion. After the VAS procedure, the proportion of long strands decreased by about 7 percentage points, and the decrease occurred most obviously after making and tipping procedures. 2) The amount of stems rejected by the pneumatic separation procedure increased by 27.04%, the rejection amount of defective products from the finished cigarettes was reduced from 0.35 kg/case to 0.26 kg/case, with a drop of 25.71%, and the frequency of machine shutdown decreased accordingly. 3) The drops of standard deviations of the stick weight and draw resistance of the finished cigarettes were more than 10%, and the cigarette hardness increased by about 4 percentage points. The axial filling density and uniformity of cigarettes were improved, and the uniformity coefficient decreased from 0.008 8 to 0.004 9. The burningcone fallout rate caused by abnormal density decreased from 0.051% to 0.021%, with a drop of 58.8%. 4) Both the puff number and the average contents of chemical components in mainstream cigarette smoke increased slightly. These results provided useful insights for promoting the quality of slim cigarettes and reducing production consumption.