Fuente: WIPO "tobacco agriculture" The invention discloses a tobacco field soil improvement method capable of effectively improving the quality of tobacco leaves. The tobacco field soil improvement method comprises the following steps:1) selecting a region; 2) selecting a tobacco field; 3) carrying out ridging and embanking; 4) applying a base fertilizer; 5) mixing farmyard manure into an embankment; and 6) applying an additionalfertilizer. The soil in a tobacco field is treated by mixing the farmyard manure into the embankment, so that chemical components of the obtained tobacco field are more coordinated, the smoking scoreof the tobacco leaves reaches up to larger than 82.5, the tobacco leaves are more prominent in fragrance, higher in concentration and higher in strength, and the tobacco field soil improvement methodcan be used as an effective way for improving clayed soil; and meanwhile, the fertilizer application quantity of soil improved by using the tobacco field soil improvement method accounts for 90% of the conventional fertilizer application quantity, so that the fertilizer application quantity is effectively reduced, and the cost is reduced.