目的：应用PDCA循环法提高门诊注射输液室水合氯醛灌肠镇静有效率。方法成立PDCA循环质量改进小组（CQI），对门诊水合氯醛灌肠镇静有效率低的问题进行根本原因分析，制定改进方案并实施，检查执行计划的效果。结果统计显示改进后的水合氯醛灌肠镇静有效率从72%提高到95%，较前提高了23%。结论应用PDCA循环质量改进方法能有效提高水合氯醛灌肠镇静效果。“,”Objective Application PDCA circulation method to improve the efficiency of patients with outpatient chloral hydrate sedation enema. Methods Set up a PDCA cycle quality improvement Group (CQI), to analysis the root causes of the low efficiency problem of chloral hydrate sedation of patients with outpatient enema, develop programmes and to implement, check the effect of the implementation plan. Results Statistics show improved chloral hydrate enema sedation effectiveness was increased from 72% to 95%, earlier by 23%. Conclusion Applying PDCA cycle quality improvement methods can improve the chloral hydrate enema sedative effect.