1根据使用目的分类1.1抗病原剂如呋喃、磺胺类等。主要用于防治细菌性疾病，如肠炎病等。抗真菌性疾病的药物较少，目前多用孔雀石绿，但孔雀石绿安全度小，对养殖对象毒害较大。1.2杀虫驱虫药物如硝酸亚汞、敌百虫等。在用药时应注意养殖种类的药敏性。如淡水白鲳对敌百虫十分 1 according to the purpose of use classification 1.1 anti-pathogenic agents such as furan, sulfonamides and so on. Mainly used for the control of bacterial diseases, such as enteritis and so on. Antifungal diseases less drugs, the current use of malachite green, but malachite green security is small, toxic to the breeding object. 1.2 insecticide deworming drugs such as mercury nitrate, trichlorfon and so on. In the medication should pay attention to the sensitivity of culture species. Such as freshwater pomfret is very subtle to trichlorfon