This study was conducted in the hatchery belonging to Al-Anwar Poultry Company,by injecting the hatchingeggs at the age of 17.5 days from the age of the embryos with nano Silver, after that, and raised hatchingchicks from the injected eggs in the field of poultry belonging to the Department of Animal Production,College of Agriculture, University of Al-Qasim Green for the period from 6/8/2017 until 9/9/2017, and afterthat the laboratory work was done, as it used 168 broiler chickens and was reared in cages 1 x 1.5 m, thechicks were randomly divided into seven treatments, and each treatment had three replicates, including eachreplicate of 8 chicks. Nano-silver was used by injecting it into the eggs in concentrations(0,4,6,8,10,12,14ppm) for treatments (T1,T2,T3,T4,T5,T6,T7) respectively, The chicks were raised in the field for a periodof 35 days, and in this study we reached the following results, a significant excelled (P<0.01) of the T3treatment in the length and width of the villi in the Jejunum and the excelled of the two treatments T3,T7in the depth of crypts of Lieberkuhn, and in the ileum there was a significant excelled (P<0.01) for thetreatment T2 in the villi length, while the treatment T7 excelled in the villi width and the treatment T5 andT6 treatment was excelled in the crypts depth