This paper studies the extracellular products of Vibrio fluvialis ⅱ, the results show that the extracellular products include amylase, gelatinase, lipase, casease, haemolysin, but don't contain lecithinase and urease. 利用杯碟法研究了河流弧菌Ⅱ的胞外产物.结果表明:河流弧菌Ⅱ含有淀粉酶、明胶酶、脂肪酶、酪蛋白酶、溶血因子,不含卵磷脂酶、脲酶.由于淀粉酶有分解糖原的作用;