平均住院日是全面反映医院工作效率、医疗质量、管理水平等多方面状况的综合性指标。本文以我院近3年（1993年～1995年）外科系27个单病种5098例手术病人为对象进行平均住院日分析,提出缩短外科病人平均住院日、加快床位周转、提高医疗质量和工作效率的对策。1 资料来源 从微机中按疾病编码调出3年中外科手术较多的病例:心肺、胃肠、颅脑、骨骼、泌尿、生殖等系统重大手术,恶性肿瘤和常见病手术共27个单病种 The average length of stay is a comprehensive indicator that comprehensively reflects the work efficiency, medical quality, and management level of the hospital. This article analyzes the average length of stay for 27 single-species 5098 surgical patients in the Department of Surgery of our hospital in the past 3 years (1993-1995), and proposes shortening the average length of hospital stay for patients, accelerating the turnover of beds, and improving the quality and work of medical care. Efficiency measures. 1 Sources of information from the computer to call out more than 3 years of surgery in the disease code: cardiopulmonary, gastrointestinal, brain, bone, urinary, reproductive and other major systemic surgery, malignant tumors and common diseases, a total of 27 single disease Species