Fuente: WIPO "tobacco agriculture" The invention discloses a stacking method for improving the quality of tobacco leaves, which comprises the following steps of: placing the green and yellow tobacco leaves after initial curing and curing into a light-shielding container for sealing, stacking and aging for 1-5 months, and stacking and covering can effectively improve the appearance quality and the internal quality of tobacco leaves.The content of total sugar decreased and the content of nicotine increased when microstrip tobacco was partially transformed into orange-yellow tobacco. The content of total sugar increased and the content of nicotine decreased in the positive group. Green and yellow tobacco miscellaneous gas, irritation significantly reduced, flavor and taste significantly improved.