This experiment was conducted to study the effects of dietary methionine level on laying performance of Cherry Valley breeding ducks. A total of 4 980 healthy Cherry Valley breeding ducks aged 44 weeks were randomly divided into 5 groups with 3 replicates in each group. Each replicate contained 57 male and 275 female ducks. The ducks in the 5 groups were fed experimental diets containing different levels of methionine, which were 0.34%, 0.38%, 0.42%, 0.46% and 0.50%. The experiment lasted for 14 weeks (44 to 57 weeks of age). The results showed as follows: there were no significant differences in laying rate and qualified egg rate among all groups (P>0.05). With increasing the dietary methionine level, the qualified egg rate was linearly decreased (R²=0.878 0, P<0.05), while the laying rate was increased in a quadratic curve (R²=0.989 9, P<0.05), and ducks had the highest laying rate (89.41%) when the dietary methionine level was 0.42%. Meanwhile, the dietary methionine level had no significant effect on unqualified egg rate and small egg rate (P>0.05). With increasing the dietary methionine level, the double yolk egg rate was linearly increased (R²=0.954 7, P<0.05), while the small egg rate was decreased firstly and then increased, and ducks had the lowest small egg rate (5.36%) when the dietary methionine level was 0.42%. No significant differences in egg number each and qualified egg number each were found among all groups (P>0.05). When the dietary methionine level was 0.42%, ducks had the highest qualified egg number each (31.84 eggs). Dietary methionine level had a significant effect on average egg weight (P<0.05), but had no significant effect on fertilization rate (P>0.05). When dietary methionine level was 0.42%, the average egg weight (93.70 g) was the biggest and the fertilization rate (92.98%) was the highest. Under this experimental conditions, Cherry Valley breeding ducks have a better laying performance when the dietary methionine level is 0.42%.