The invention discloses a production method of eucalyptus leaf extract for cigarettes. An extraction solvent is added into dried and crushed eucalyptus leaves, an extraction solution and residues are separated for three times, the extraction solution passes through a mesh screen and a 100 nm of pore diameter of ceramic film in turn to be filtered so as to obtain eucalyptus leaf extraction filtrate, and the concentration is performed on the eucalyptus leaf extraction filtrate to obtain the eucalyptus leaf extract. The obtained eucalyptus leaf extract for the cigarettes are sprayed on cut tobacco after being diluted and accordingly the harm to a human body due to the cigarettes can be reduced to a certain extent, cigarette fragrances are rich, the stimulation is reduced, and the comfort of the throat is improved.