The invention discloses an alcoholization and
mildew prevention method for tobacco leaves. The alcoholization and
mildew prevention method for the tobacco leaves comprises the following steps: sealinga tobacco box / tobacco stack by films, introducing one or more gases of
nitrogen,
ozone or
carbon dioxide, reducing the
oxygen content in the tobacco box / tobacco stack to be below 2% , and carrying out treatment for 5 to 10 days; then opening the tobacco box / tobacco stack, putting into an anti-
mildew curing agent, arranging temperature-
humidity collecting equipment, and
oxygen-content
measuring equipment; monitoring the temperature and
humidity and
oxygen content of the tobacco box / tobacco stack, adjusting the use amount of the anti-mildew curing agent, and keeping the
oxygen content at 6 to 12%, the
humidity at 50 to 65%, the temperature at 20 to 28 DEG C for more than 40 days and the like. The technology of the invention can be better applied to mildewproof maintenance of the tobacco leaves in the alcoholification period, and the operation is good under the conditions that the
oxygen content is 6 to 12%, the humidity is 50 to 65% and the temperature is 20 to 28 DEG C, and the oxygenand humidity reduction speeds are moderate, so that
tobacco leaf products are good in grade, and meet requirements of various technical indexes, furthermore, the cost and use amount are lowered.