The Department of Occupational Medicine of Mashhad University of Medical Sciences started working with four faculty members at the School of Medicine in 2011. Since October 2012, an assistant has also been employed in this department. One of the actions of this department was the establishment of a specialized clinic of occupational medicine, which is considered as the main reference for the diagnosis, treatment and prevention of work-related diseases. The clinic is currently working with the faculty members of the Department of Occupational Medicine and provides specialized Occupational Medicine services (including examinationsat the beginning of employment, periodic examinations, visits by referral patients from industrial units and legal counseling) by having the appropriate Diagnostic, educational and therapeutic services, which provides a good educational environment for the training of assistants of this field.