近几年，血液酸碱气体分析仪已在全国各级医院普及。但因专业维修人员缺乏，许多很简单的故障，往往不能及时修复，使该仪器在基层的正常使用率较低。本文总结了美国康宁（Corning）168型和丹麦雷度（Radiome－ter）ABL－5型机一些常见的故障及简易、快速、价廉的维修法，可能 In recent years, the blood acid and alkali gas analyzer has been popularized at all levels of hospitals throughout the country. However, due to the lack of professional maintenance personnel, many very simple failures often cannot be repaired in time, which results in a low normal use rate of the instrument at the grassroots level. This article summarizes some of the common failures of the Corning 168 and Radeon-ter ABL-5 machines and the easy, fast, and inexpensive repair methods.