Taking five antibiotics (including tetracycline,rifabutin,oxytetracycline,chloramphenicol,erythromycin) as materials,the effect of different chemicals and application methods on cherry lethal yellowing were studied with injection and applying method.The results showed that the 500 μg/g rifabutin with applying achieved the best results,its effect was remarkable and lasting,and the control effect which was 54.55% after 30 days,superior to the other treatments.