The invention discloses a formula of a hawthorn-extract-containing tobacco casing flavor, wherein the hawthorn-extract-containing tobacco casing flavor comprises the following compositions in percentage by mass: 5-10% of red jujube tinctures, 5-10% of momordica grosvenori tinctures, 1-2% of Yunyan tobacco extracts, 0.1-1% of Guiyan tobacco extracts, 0.5-2% of licorice extracts, 1-5% of hawthorn extracts, 1-3% of apricot extracts, 3-8% of plum extracts, 1-2% of Hierochloe odorata extracts, 0.1-0.5% of vanilla extracts, 0.1-0.2% of lavender extracts, 1-2% of apple extracts, 0.01-0.1% of 2-ethyl-4-hydroxy-5-methyl-3(2H) furanone, 0.1-0.5% of 4-acetoxy-2,5-dimethyl-3(2H)-furanone, 0.5-1.5% of glycerin, 0.1-1% of steviol glycoside, 2-5% of licorice, 40-50% of propylene glycol, and 10-30% of pure water. The formula of a hawthorn-extract-containing tobacco casing flavor disclosed by the invention has the advantages that through adding the hawthorn extracts, the tobaccos can produce hawthorn aroma, the tobacco smell can be dispatched, the smoke flavor can be alleviated, and finally, the smoke flavor of the tobacco can be improved, and the natural sweet of the tobacco can be increased, thereby improving the dry, astringent and bitter tastes of the consumers, and satisfying the requirements of the consumers.