Objective To study the clinical features and treatment experience in the treatment of thoraco abdominal injury with diaphragmatic rupture.Methods Clinical data of 27 patients suffering from thoraco-abdominal injury with diaphragmatic rupture were analysed retrospectively.Results Injuries of this kind are usually complicated involving mostly the organ injuries,which are not obvious in clinical indications. In the present study group,27 cases were treated surgically,of whom 24 healed and 3 died(11.1%).Conclusion Early diagnosis and timely operation are the key steps in reducing the complications and mortality.