Background: Importance of Human resources as economic cycle motive is clear for everyone ،but this valuable parameter always threatened by many factors in workplace .This study is done for evaluation of annual frequency and pattern of injuries of cases who came to the examination unit of Sari legal medicine center

Method: This was a descriptive and cross sectional study. 125 cases that referred to clinical examination unit of Sari legal medicine center were studied through a questionnaire.

Findings: %97of cases were male with mean age of 35yares old, %84.8 in married state, %67.2 were educated up to diploma,%86.4 without technical vocational training. The most events had occurred in industrial studio (%40.8), concern to June (%17.7) and morning shift (%56.5). %56/8 of them had less than one year training, injured in collision with animate mechanical forces (%52). The most common injuries were in upper limbs with %39.2 and lower limbs %27.2 %44 of them had bone fractures. Also, this study showed% 82.4 of accidents happened in work place with less 10 worker and %14.4 had a previous history of occupational accidents.

Conclusion: On the basis of this study, young men devoid of vocational training in small work shop had the most common exposure to occupation accidents. The results of this study have conformity with the findings of similar studies in Iran and other countries.