The invention provides a green, smooth taste tobacco leaf treatment method, comprising the steps that 1, tobacco leaf preparation: in selection workshop collecting middle upper grade tobacco green, smooth leaf, gathering up; 2, low density ethyl alcohol liquid preparing; 3, loading in a case, storing and staying for fermentation; 4, storing management: tobacco case staying 8-12 days, ready to put in the step of recipe threshing and toasting, in the staying period two time observations of temperature change by a temperature meter, regularly timed each day, if over 38 DEG C, replacing the case where in need, and finishing the tobacco turning and temperature lowering treatment. The method places simple storing and staying fermentation treatment on usable green, smooth tobacco leaf, the tobacco leaf smells smooth, lifting, clear tobacco fragrance, gives out evidently less greenish smell and stimulation effect, uplifts mouth feel, tobacco smoke seems more together and softy, the method raises tobacco blend ability, tobacco leaf utilization value, and consuming value.