Objective: Accordingto the statistics and regulatory inspection reports modification rate, incorporated in the hospital quality control target,together withthe strictly control and management makethe inspection results change rate up to the hospital quality management requirements. Methods: Counted upevery kind of biochemical items which were monitored by machine 7180 in the biochemical laboratory from April to October 2013, and strengthen the inspector´s sense of responsibility by the modification rate of timely rectification. Results: Every kind of biochemical items which were monitored by the machine 7180 including 62022 persons in the biochemical laboratory from April to October 2013, 896 persons´ inspection results were altered before printing ,which was 1.45 percent ;75 persons´ inspection results were altered by upper administrator after printing, which was 0.12 percent of the total and 8.37 percent of the altered people. Conclusion: Our inspection report modification rate decreased from 27.77 percent in April to 1.88 percent in October ,the percentage decreased obviously. It proved that the PDCA model was successful in inspection report modification rate of Lis in our hospital, which achieved our quality management target.目的 通过检验报告修改率的统计与监管,纳入医院质控目标,经过严格把关、严格管理,使检验结果修改率达到本院质控管理要求。方法 统计兴义市人民医院2013年4月—10月生化室7180仪器监测的各种生化项目,根据修改率统计及时整改,增强检验人员责任心。结果 兴义市人民医院生化室7180仪器自2013年4月—10月各种生化项目共监测62022人次,其中未打印报告前修改的896人次,占1.45%;打印报告后由上层管理人员强制修改的75人次,占总人次的0.12%,占修改人次的8.37%。结论 本院的检验报告修改率从4月份的27.27%降至10月份的1.88%,下降明显,证明兴义市人民医院经PDCA环模式对Lis检验报告修改率管理是成功的,达到本院质控管理目标