Abstract: This paper deals with the results of experiment aimed at determi-nation of the optimum lipid level in the diet for blunt snout bream fingerling. The test feeds were made up of purified ingredients, axed the lipid presented in the diet was fresh soya bean ail. The feeds differed from their lipid levels, while the levels of other main ingredients,such as protein,vitamins and minerals were kept constant. The results show that the appropriate lipid. level in the diet ranges from 2% to 5%，when the grnod growth performances ors achieved. The statistical analysis indicates that when the dietary lipid level is 3.6%，the best growth per-formance will be obtained.