胃肠道金属异物,因不透Ｘ线,与软组织有较强的对比度,诊断较容易。但非金属的特殊异物如海洛因,因密度与周围软组织或肠内容物相近,缺乏较明显的对比度,诊断上带来困难。近年来我们在实际工作中,遇到62例利用消化道携带特殊异物(海洛因)者,对其Ｘ线表现作分析。材料与方法　根 Gastrointestinal metal foreign body, due to imperfect X-ray, and soft tissue has a strong contrast, the diagnosis easier. However, non-metallic special foreign bodies such as heroin, due to the density and surrounding soft tissue or intestinal contents similar to the lack of more obvious contrast, diagnosis difficult. In recent years, in actual work, we encountered 62 patients who carried special foreign bodies (heroin) using the digestive tract and analyzed their X-ray manifestations. Materials and Methods Roots