To investigate the effects of germinated broad bean and germinated pea on growth performance and flesh quality of grass carp, Ctenopharyngodon idella, formula diet (Control), germinated broad bean (GBB), and germinated pea (GP) were fed to grass carp with an initial body mass of (1 056.1±30.3) g for 84 days. The results showed that feeding grass carp with GBB or GP significantly reduced mass gain and increased feed conversion ratio (P<0.05). Besides, the flesh of fish fed GBB or GP had lower water loss, higher hardness, chewiness, muscle fiber density and collagen content, and the relative expression of Collagen Ⅰ genes (COL1A1, COL1A2) mRNA in muscle and skin was also up-regulated by dietary GBB or GP (P<0.05), when compared with the formula diet group. Between the two tried groups, the mass gain, muscle hardness, chewiness, muscle fiber density, and collagen content of the GBB group were significantly higher than those of the GP group (P<0.05). In conclusion, feeding grass carp with germinated broad bean or germinated pea improved the flesh quality, but decreased the growth, and feeding germinated broad bean showed better growth and flesh quality than feeding germinated pea.