淡水鱼类出血病主要分为细菌性出血病和病毒性出血病，细菌性出血病在发生频率和危害程度方面都远远高于病毒性出血病 (如草鱼呼肠弧病毒出血病等 )，所以本文重点就淡水鱼类细菌性出血病作一浅析。 　　淡水鱼类细菌性出血病又称为细菌性败血症和暴发性出血病等，是我国养鱼史 Freshwater fish hemorrhagic disease is mainly divided into bacterial hemorrhagic disease and viral hemorrhagic disease. Bacterial hemorrhagic disease is much higher than viral hemorrhagic disease (such as grass carp reovirus hemorrhagic disease, etc.) in terms of frequency of occurrence and degree of harm, So this article focuses on freshwater fish bacterial hemorrhagic disease for a brief analysis. Freshwater fish bacterial hemorrhage, also known as bacterial sepsis and fulminant hemorrhagic disease, is the history of fish farming in China