Alcoholization agent for tobacco leaf and application in technique of threshing and redrying, procedure

An alcoholizing agent of tobacco leaf for improving the biologic property and quality of tobacco leaf and shortening its alcoholizing period contains the enzyme chosen from proteniase, peptidase, cellulase and amylase, one or more of isopentanal, benzoic acid, 2,6,6-trimethyl cyclohexyl-1,3-dienyl formaldehyde, etc, acetic acid and/or 1-methyl-4-isopropylcyclohexyl-3-alcohol, and propanediol.