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目的:探讨家庭用呼吸训练器在稳定期慢性阻塞性肺疾病(COPD)患者肺康复中的应用价值。方法:选取2017年1月至2019年12月就诊于河北医科大学第二医院呼吸与危重症医学科的48例稳定期COPD患者进行前瞻性研究。根据肺康复方法不同分为试验组(22例)和对照组(26例)，2组患者均在常规药物治疗的基础之上联合肺康复治疗，试验组采用“缩唇呼吸+腹式呼吸+空中踏车+家庭用呼吸训练器”的锻炼方式，对照组采用“缩唇呼吸+腹式呼吸+空中踏车”的锻炼方式。分别在1、3、6个月末评测患者圣乔治呼吸调查问卷(SGRQ)、慢性阻塞性肺疾病评估测试(CAT)评分、第1秒用力呼气容积占预计值百分比(FEVn 1%pred)、6分钟步行试验(6MWT)和改良版英国医学研究委员会呼吸困难量表(mMRC)。n 结果:2组患者基线资料间差异均无统计学意义(n P值均>0.05)。2组患者FEVn 1%pred、6MWT均随时间延长而增加，mMRC、SGRQ、CAT评分则随时间延长而降低。组间比较显示在6个月时，试验组FEVn 1%pred[(64.55±7.90)%]高于对照组[(58.65±8.49)%]，而mMRC、SGRQ和CAT评分低于对照组，且组间差异均有统计学意义(n P值均<0.05)。组内比较显示试验组FEVn 1%pred在3个月、6个月，SGRQ评分在6个月，mMRC在6个月时均较基线有好转，且差异均有统计学意义(n P值均<0.05)；对照组仅FEVn 1%pred在3个月、6个月时较基线差异有统计学意义(n P值均0.05). In both groups, FEVn 1% pred value and 6MWT increased time, but mMRC, SGRQ, CAT decreaseed with time.The comparison between groups showed that at the end of 6 months, the FEVn 1% pred value of the experimental group [ (64.55±7.90)%] was higher than that of the control group [ (58.65±8.49)%], while the mMRC, SGRQ and CAT scores were lower than those of the control group.And the difference between groups was statistically significant(alln P<0.05). The comparison within the experimental group showed that the FEVn 1% pred value at 3, 6 months.SGRQ score at 6 months, and mMRC at 6 months were better than the baseline, with significant differences (all n P<0.05). In the control group, only FEVn 1% pred expected value was very different from the baseline at 3 and 6 months (both n P<0.05).n Conclusions:Stable phase COPD patients insist on household breathing trainer for pulmonary rehabilitation exercises, which can effectively improve lung function and respiratory muscle function.