目的:探讨我院夜间急性腹痛常见病因及误诊因素,以便提高急诊腹痛的正确诊断率。方法:回顾性统计分析2010-12-2011-12我院急诊科夜间收治的426例急性腹痛患者的临床资料。结果:426例急性腹痛的病因依次为:急性胃(肠)炎、泌尿系结石、胆道疾病、急性阑尾炎、胰腺炎、肿瘤、溃疡、肠梗阻、尿路感染、心肌梗死、癔症、肺炎以及病因不明疾病;其中内科占66%,泌尿科占23%,普外科占11%。结论:急性腹痛是夜间最常见的疾患,急诊科是首站,须高度重视。与患者及家属耐心沟通,综合分析和判断,及时处理,才能减少误诊并避免医患矛盾。 Objective: To investigate the common causes and misdiagnosis factors of acute abdominal pain in our hospital in order to improve the correct diagnosis rate of emergency abdominal pain. Methods: Retrospective statistical analysis of the clinical data of 426 cases of acute abdominal pain admitted to our emergency department during the night from 2010-12-2011-12. Results: The causes of acute abdominal pain in 426 patients were acute gastritis, urolithiasis, biliary disease, acute appendicitis, pancreatitis, tumor, ulcer, intestinal obstruction, urinary tract infection, myocardial infarction, hysteria, pneumonia and etiology Unknown disease; of which 66% of medicine, urology accounted for 23%, general surgery accounted for 11%. Conclusion: Acute abdominal pain is the most common nighttime disease. The emergency department is the first stop and must be given high priority. Patient communication with patients and their families, a comprehensive analysis and judgment, timely treatment, to reduce misdiagnosis and avoid doctor-patient conflicts.