[Objective]To understand the characteristics and causes of accidental injury of the elderly in community,in order to provide bases for preventing the occurrence of accidental injuries.[Methods]Retrospectively summarized the reports about 384 elderly cases of accidental injury in community.[Results]Homes and roads were the main sites for injury accidents;falling down and falling in accidental injuries were the main reasons for the elderly;accidental injury easily leaded to fractures of the elderly.[Conclusion]Physical characteristics of the elderly easily lead to accidental injury;improving the environment and facilities,preventing falls and preventing osteoporosis are the focuses in preventing accidental injuries;it should establish and improve accident prevention network.