Abstract: Objective To analyze the epidemiological characteristics of injury cases seeking medical care in community health centers in Jiading district in Shanghai and provide evidence for the prevention and control of injury. Methods Thirteen community health centers in Jiading district were selected to conduct injury surveillance, the patients who sought medical care there and were diagnosed as injury for the first time from 1 October 2008 to 30 September 2009 were the study subjects. Results A total of 17 391 injury cases were reported,the male to female ratio of the cases was 2.27 ∶ 1. The cases aged from 15 to 39 years accounted for 50.55%. The cases in local population accounted for 44.67%, while the cases in floating population accounted for 55.33%. The injuries occurred in July accounted for highest proportion (12.12%), and the injuries mainly occurred between 08:11 am and 16:37 pm during a day.Most cases were unintentional and mild injuries. The first 5 injury causes were mechanical force of object/instrument (66.28%), falling down (22.07%), non-motor vehicle traffic accidents (6.47%), motor vehicle traffic accidents (1.86%) and scald (1.59%). Conclusion The highest priority of injury prevention should be given to the injuries caused by mechanical force of object/instrument, falling down and traffic accidents, and close attention should paid on the injury intervention in floating population.