China is the world's largest producer of sturgeon aquaculture.With the paid development of sturgeon aquaculture,bacterial diseases have become one of the bottlenecks restricting the heaithy breeding of sturgeon.Bacterial diseases of sturgeon have the characteristics of wide infectivity,strong transmission,high lethality and complex pathogens.This paper reviewed the species,biological characteristics,epidemiology,clinical symptoms and pathogenic factors of the main bacterial pathogens of sturgeon,which may provide a scientific basis for the effective prevention and control of bacterial diseases of sturgeon.