The study was carried out from September to November 2010 in Khorramabad, west of Iran at an altitude of 1147.8 m above sea level and between valleys of Zagros Mountains. This descriptive study aimed at determining the prevalence of intestinal parasites of bakery workers. The studied population was all the workers of bakeries. Total numbers of bakeries' were 297 and bakery workers who all of them were masculine, were 816.