运用灰色系统理论分析了河南新老烟区与云南优质烟区气候生态系统的灰色关联性 ,结果表明 ,卢氏烟区气候生态系统与玉溪烟区的相似性优于许昌烟区与玉溪烟区的相似性。因此 ,建议河南优质烟区向豫西丘陵山区转移 Using gray system theory, the gray relational analysis of the climate ecosystem between new and old tobacco areas in Henan Province and high quality tobacco areas in Yunnan Province was conducted. The results showed that the similarity between climate ecosystem and Yuxi tobacco area in Lushi area was superior to that in Xuchang tobacco area and Yuxi tobacco area Similarity. Therefore, it is recommended to Henan high-quality tobacco to the hills in western Henan transfer