In order to improve the efficiency of auxiliary medication for patients with mild cognitive impairment, this paper proposes a method based on VR technology and health education. Sixty elderly patients with COPD and MCI admitted to a hospital from January 2019 to February 2020 were randomly divided into a control group and study group, with 50 cases in each group. On the basis of conventional drug therapy, health education, and respiratory muscle training, patients in the control group received routine lung rehabilitation training, while patients in the study group received lung rehabilitation training using the BioMaster virtual scene interactive rehabilitation training system. Both groups continued training for 12 weeks. Lung function indexes, 6-minute walking distance, COPD assessment test (CAT) score, and Montreal Cognitive Function Assessment Scale (MoCA) score were compared between the 2 groups before training and 4, 8, and 12 weeks after training. The experimental results show that, in the study group, the percentage of FEV₁ in the predicted value at 8 weeks after training, the percentage of FEV₁ in the predicted value at 12 weeks after training, and FEV₁/FVC were higher than those in the control group (P < 0.05). There was no significant difference in 6-minute walking distance, CAT score, and MoCA score between the two groups before training (P > 0.05). Twelve weeks after training, patients in the study group had a longer 6-minute walking distance, a lower CAT score, and a higher MoCA score than those in the control group (P < 0.05). It is proved that the application of virtual reality technology in lung rehabilitation training of elderly COPD patients with MCI is effective, which can effectively improve the lung function, cognitive function, and exercise tolerance of the patients and reduce the symptoms of dyspnea and the efficiency of medication.

#	Concept	H-Index	Publications	Citations
1	Medicine	1	1	122
2	Social Sciences	1	1	122
3	Neurology	1	1	122
4	Rehabilitation	1	1	122
5	Cognition	1	1	122

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