【病例】　男 ,6岁。2个月前因咳嗽、发热 ,在当地医院诊断为肺炎 ,抗感染治疗症状不见好转 ,转我院就诊。查体 :患儿间断咳嗽 ,呼吸略急促 ,听诊右下肺呼吸音低 ,X线胸片示右下肺局限性炎症 ,异物史不详。诊断 :气管异物。行支气管镜检查 ,发现右下叶支气管口有堵塞物 ,遂钳取 [Case] ​​Male, 6 years old. 2 months ago due to cough, fever, diagnosis of pneumonia in the local hospital, anti-infection treatment symptoms did not improve, turn to our hospital. Physical examination: children with intermittent cough, breathing slightly, auscultation right lower lung breath sounds low, X-ray showed limited right lower lung inflammation, foreign body history is unknown. Diagnosis: tracheal foreign body. Bronchoscopy, found the right lower lobe bronchial obstruction, then clamp