Abstract: Objective To understand the disease burden of the occupational injuries among inpatients in Songjiang district during the period of 2006-2008 and to provide theoretical evidence for effective interference measures.Methods Medical cost of inpatients of occupational injuries occurred during 2006 to 2008 were analyzed through injury monotoring system and medical records.Results The medical cost of inpatients of occupational injuries from 2006 to 2008 were 11961535.7 yuan RMB and the average cost for one inpatient was 8137.1 yuan.Occupational injuries were happened mainly in males,aged from 20 to 49 years accounting for 82.3% of the total cost.The major site of accidents were upper limb,ankle,lower limb and face and the cost of major site injury accounted for 95.5% of the total cost.The main causes of accidents were hit by object.Conclusion The economic loss caused by occupational injury in Songjiang district is significant.Comprehensive intervention should be paid to occupational injury.