Two kinds of icefishes were widely transplanted and multiplicated the reservoirs and lakes in Hubei Province, China.They were Neosalanx pseudotaihuensis and N.taihuensis.By comparative test on three techniques of artificial picking off eggs and insemination, it was indicated harf dry way was the best.Comparing several approach to transporting fertilized eggs, plastic bag with oxygen was ideal.Comparing broadcasting fertilized eggs and hatching them in webcase, the latter was better.Comparing different techniques of exiling fry, doing that after it could move parallelly was the best.Comparing the different fishing seasons and first catching time, the appropriate fishing seasons was autumn and winter, the best first catching time was around Nationl Day.For N.pseudotaihuensis and N.taihuensis, they could pick off eggs and inseminate artificially during the first ten days of March and April.The catching intensity should be limited within two thirds or three forths of the stock biomass.