本文报告空军某通信团发生的一起砷化物食物中毒的流行病学调查结果.这起中毒系因砷化物污染面粉所致,食用污染馒头者47人全部发病,每人均食入了致死剂量的砷化物(150～250mg);未食者不发病.最短潜伏期为10mim,最长9h,平均几何潜伏期为42min.中毒以恶心,反复呕吐和腹绞痛(100%)为主.经及时治疗后全部痊愈.因此,应采取积极措施预防砷化物中毒的发生. This article reports the results of an epidemiological investigation of arsenic-induced food poisoning by a communications group of the Air Force that was caused by contamination with arsenic-contaminated flour. All 47 people who consumed contaminated bread were affected and each received a lethal dose of arsenic (150 ~ 250mg), while those who were not eaten had no symptoms.The shortest incubation period was 10mim, the maximum was 9h, the average geometric incubation period was 42min.The poisoning was mainly nausea, vomiting and abdominal cramps (100%), Therefore, should take active measures to prevent the occurrence of arsenic poisoning.