Objective: To investigate the distribution of Traditional Chinese Medicine (TCM) constitution among night-shift nurses at a public tertiary-level Class A hospital, thereby identifying new approaches for developing effective interventions to enhance their health status. Methods: A total of 601 nurses employed at a public tertiary-level Class A hospital from August 2024 to August 2025 participated in the survey. Analysis was conducted using the Traditional Chinese Medicine Constitution Questionnaire. Results: The most prevalent TCM constitution types among night-shift nurses were Yang Deficiency Constitution (50.4%), Yin Deficiency Constitution (49.8%), Qi Deficiency Constitution (45.4%), and Phlegm-Dampness Constitution (45.1%). Conclusion: A high proportion of clinical night-shift nursing staff exhibit imbalanced constitution types, severely impacting their physical and mental health. Nursing administrators should implement targeted TCM constitution-based health maintenance and regulation to improve the health status of nursing personnel.
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