The paper studied the effective disease resistance of Glycyrrhiza Uralensis as a new addition for fish feedstuffs. The extraction of effective components of Glycyrrhiza Uralensis, its qualitative and quantitative analysis and the anti virus effectiveness of glycyrrhiza uralensis, pulsatilla chinensis, citrus reticalata blanco and polygala tenuifolia have been studied through experiments. The experiment lasted 27 days. The extraction of glycyrrhiza uralensis and baits were used together in feedstuffs to improve the anti disease of fish and to keep them healthy.