目的 :探讨X线平片在胸部创伤中的地位。方法 :对我院 1995～ 1998年因胸部创伤采用X线平片和CT检查的 146例进行对照分析。结果 :肋骨骨折 10 4例 ,X线平片发现 99例、CT发现 10 1例、共同发现 96例占 92 .31% ;肺挫伤 73例 ,X线平片发现 46例、CT发现 71例 ,液气胸 5 7例 ,X线平片发现 47例、CT发现 5 6例。结论 :X线平片仍应是胸外伤首诊的主要检查方法 ,简便、快捷、经济、准确。 Objective: To investigate the position of X-ray in chest trauma. Methods: In our hospital from 1995 to 1998 due to chest trauma using X-ray and CT examination of 146 cases were analyzed. Results: There were 104 cases of rib fracture, 99 cases were found by X-ray plain film, 101 cases were found by CT, 96.31% were found by CT, 73 cases were pulmonary contusion, 46 cases were found by plain radiography, 71 cases were found by CT, Fluid pneumothorax 57 cases, X-ray film found in 47 cases, CT found 56 cases. Conclusion: X-ray film should still be the main method for the first diagnosis of thoracic trauma. It is simple, quick, economical and accurate.