In recent years, the outbreak of fish acute hemorrhagic disease caused by spring viraemia of carp virus(SVCV) has brought huge economic losses to the aquaculture industry.SVCV has strong infectivity and high morbidity and no effective treatment at present.The biological research progress of SVCV was summarized from epidemic characteristics,clinical symptoms,biological characteristics,detection techniques and vaccine research,which could provide reference for further research on this virus.