Fecha de publicación: 08/12/2020 Fuente: Wipo Tobacco Agriculture The invention discloses a tobacco leaf preparation method based on a fruit and vegetable drying room, tobacco leaves and application. The tobacco leaf preparation method comprises the steps that freshflue-cured tobacco leaves which are suitable for being ripe are harvested; the tobacco leaves are woven into rods and then put into the fruit and vegetable drying room; the tobacco leaves put into the room are baked, and the baked tobacco leaves can be obtained through continuous nine-stage baking. The tobacco leaves are obtained through the tobacco leaf preparation method. The application is application of the tobacco leaves obtained through the tobacco leaf preparation method in cigarette preparation. According to the characteristics of the fruit and vegetable drying room, the temperature rise speed, temperature and humidity setting points and temperature stabilizing time of all stages are accurately controlled, and the change conditions of the tobacco leaves of all the stages are observed for preparation; and compared with a traditional three-stage tobacco leaf baking method, operation is easy, adjustment is flexible, the baking cost is reduced by 0.25 Yuan/kg, the cost of inferiortobacco is reduced by 1.46%, the average price is increased by 0.85 Yuan/kg, and the problems that tobacco growers plant the tobacco leaves on a proper scale, the maturity of the tobacco leaves is disordered, and the baking cost is reduced can be effectively solved.