. To investigate the effects of different levels of the amino acid methionine(Met) on performance of birds native Khorasan province, an experiment using 300 pieces of chicken native Station Native chickens Khorasan in the form of designs completely randomized design with 6 treatments, 5 replicates and 10 chickens in each replicate from age 26 till 52 weeks implemented. 6 treatments follows that the first treatment of Met to 0.22% received the basal diet( control) and other treatments to Met level of 0.1% in each treatment and were increased so that the six birds different Met (0.22,0.32,0.42,0.52,0.62 and 0.72 percent) received. The results showed that the Met levels increase the total weight of eggs produced in the experimental period (P