In curing barns leaves will be dehydrated over a period of time. After the curing process is completed and the leaf has dried out sufficiently, fresh air is released into the curing barn, slightly moistening the leaves as to allow them to be transported for sale without crumbling.

There are four curing methods used for curing tobacco grown for commercial purposes: Flue-curing, fire-curing, air-curing and sun-curing.

烟叶在调制仓中经过一段时间将被脱水。在调制过程完成即烟叶充分干燥之后，新鲜空气被释放入调制仓，烟叶轻微的受潮利于他们在销售运输时而不会弄碎。

为商业目的调制烟草有四个调制方法：烟熏，火管烘干，晾干和晒干。