Introduction:rnInjuries are major public health problem globally. Each year over 5 million people around the world die asrnresult of injury. Injuries are ranked among the leading cause of death and disability particularly in the lowrnincome and middle income countries where they are growing in significance. In Hawassa referral hospitalrnemergency department visited by an in average 1,500 injured patients in a year and 10% of injury is due tornroad traffic accident.rnStatement of the problem:Injury has been recognized as one of the most life threatening publicrnproblem.Injuries present 12% of the global burden of disease and the third most important cause of overallrnmortality. Millions of accidents occur each year and thousands of individuals lose their lives. Also thernburden of injury in Ethiopia becomes one of the 3rd leading causes of death and disability.rnObjective ofstudy:The general objective of this research is to assess pattern of injury and associatedrneffects in patients visiting the Emergency Department of Hawassa university referral Hospital.Studyrndesign: Retrospective cross- sectional study.rnStudy population:All injured patients the study populations wereconsists all injured patients, who visitedrnthe adult Emergency Department of Hawassa referral teaching Hospital from February 1 up to July 1rn2012.rnSample size determination:All trauma patients who visited the adult emergency department in Hawassarnreferral hospital from February 1 up to July 1 2012 G.C. Data resource is from documentation.rnResult: Most injuries occurred by road traffic accident accounted for 54% and the majority 80% werernmale. This more injured age group was 21-30 and accounted for 41%. 62% of the injuries wereaccidentalrnand anatomically injured part of the body was head and neck accounted for 52.2%.rnConclusion:This research is crucial making to understand the problems of injury and the police makerrnwill develop guide lines to prevent the cause of trauma and improving health care service systems inrnhealth institutions and society. Because the burden of trauma is highly damages the productive age groups