Abstract: Cucumber mosaic virus(CMV),which is transmitted by over sixty species of aphids and infects over 1000 species of plants,has been processing a gradual severity in the past fifteen years.It is now the severest crop virus in China.Climate warming has played an important role on this phenomenon.Relationship between the rampancy of cucumber mosaic virus and the climate waring was analyzed,and countermeasure of disease-management which depends on agricultural and biological control measures was put forward.