To clarify the irrational cognition of family caregivers of lung cancer patients at various perioperative stages under the background of protective medical treatment, construct an indirect intervention model for lung cancer patients, and evaluate its clinical efficacy.
To develop popularizable cognitive intervention tools and formulate practical cognitive intervention strategies, so as to relieve perioperative stress responses among lung cancer patients and their family caregivers.
To provide reliable evidence and research directions for carrying out comprehensive and systematic interventions on perioperative stress responses in lung cancer patients and their family caregivers in clinical practice in the future.