Abstract: Economists began to concern about the infectious problems of the financial crisis. This article based on the infectious problems of the financial crisis in the emerging market countries,analyses the mode of transmission and impact of factors of the crisis,focusing on qualitative as well as the contagion effect of the crisis and channels in detail.Through a combination of theory and practice,the author explores the inherent regularity of the crisis spread.Based on the prevent revelation of the study of the infectious on the financial crisis, the treatment measures of the infection of the financial crisis was concluded.