The purpose of this study was to explore the effect of respiratory function and self-efficacy of patients with lung cancer after surgery by the combination of continuing nursing care and breathing exercises and to assess its clinical value in improving the quality of patients’ sleep. 120 cases of lung cancer patients were divided into the control group (n = 60 cases) and the experimental group (n = 60 cases) randomly. The control group used conventional care methods for postoperative lung cancer patients, while the experimental group used continuous care combined with a respiratory exercise care model on the basis of conventional care, comparing the differences in the recovery of lung function, self-efficacy, sleep quality, incidence of sleep disorders, and other indicators between the two groups. The average indicator of recovery condition in patients of experimental groups FEV1 (L), FEV1% pred (%), and FEV1/FVC (%) was higher than patients in control groups with lower symptom scores and complication rates ( P < 0.05 ). The self-efficacy score of patients in the experimental group was higher than that in the control group ( P < 0.05 ) during sixty days of follow-up. The sleeping time of the experimental group was significantly shorter than that of the control group ( P < 0.05 ) and the sleep time was longer than that of the control group ( P < 0.05 ), but the incidence of sleep disorders and drug use rate were lower than that of the control group ( P < 0.05 ) before discharge. Continuous nursing care combined with respiratory exercises can significantly accelerate the recovery of lung function and respiratory function reconstruction in patients with lung cancer after surgery, improve the self-efficacy score of patients, improve the sleep quality of patients, and be conducive to postoperative rehabilitation of patients.

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