Abstract: Abstract: This research was designed for the technical support of the high-quality tobacco cultivation. The Tobacco 9803 was used as the test control strain. The results showed that: at the same condition of field managements, the planting density of 120cm × 50cm, and 21 leaves were left on the tobacco plant achieved best in integrated sensory quality，leaf structure and flavor. Smoking assessment of total score reached 68.75 ; The yield is moderate and the integrated economic traits is good.So, it is suggested to be applied in the east of Liaoning province.