Fecha de publicación: 18/07/2023 Fuente: WIPO "tobacco agriculture" The invention relates to the technical field of tobacco curing, in particular to a curing method for tobacco leaf curing yellowing and freeze drying. Comprising a tobacco leaf yellowing method and a tobacco leaf freeze-drying method. The tobacco leaf yellowing method comprises the steps of tobacco leaf harvesting, tobacco leaf weaving and tobacco leaf baking to be yellow. The tobacco leaf freeze-drying method comprises the steps of tobacco leaf pre-freezing, freeze-drying and freeze-drying later period. The invention aims to provide the curing method for curing the tobacco leaves to be yellow and freeze-drying, which is suitable for the tobacco leaves with certain maturity characteristics, is accurate in curing process, can ensure uniform color and stable quality of the cured tobacco leaves, can maintain the tobacco leaf tissues and tissue components to the greatest extent, and can reduce the curing loss rate.