Abstract: Factor analyses method are applied to study the factor of appearance quality of flue-cured tobacco in Hunan main tobacco production areas. The result shows that the cumulative contribution made by the former 3 factors for appearance quality is above 96.202%. Maturity factor (slickness or light green, organ structure and maturity), color factor(luster, color harmony degree) and body are main factors affecting appearance quality, while there is a positive correlation among three factors.