目的:提高小儿扣式电池食管异物的诊断和治疗水平。方法:分析4例扣式电池食管异物患儿的临床资料。结果:4例患儿因诊断时间、手术时机不同,1例死亡,3例治愈。结论:扣式电池食管异物临床报道少见,因扣式电池为碱性,腐蚀性强,危害大,临床应该引起重视。及时诊断、及时合理手术是治愈的关键。 OBJECTIVE: To improve the diagnosis and treatment of esophageal foreign bodies in pediatric button cell. Methods: The clinical data of 4 children with button cell esophageal foreign body were analyzed. Results: Four patients were diagnosed as having different timing of operation, one died and three patients were cured. Conclusion: There are few clinical reports of button cell esophageal foreign body, because the button cell is alkaline, corrosive and harmful, so clinical should pay attention. Timely diagnosis, timely and reasonable operation is the key to cure.