Introduction and Objective: Nurses COVID-19 pandemic fear infecting their patients during infection of their family members or complementary-supportive treatment increased their use of natural and herbal products. It was conducted to determine the herbal practices used by nurses as a complementary and supportive treatment to prevent COVID-19. Materials and Methods:The data of this study, which was carried out in descriptive and cross-sectional design, was collected on 255 nurses in all clinics located at X State Hospital in April 2022. In collecting data, “personal information form was used for the survey. The Ethics Committee of the institution and the permissions required approximately 10 minutes after receiving the questionnaire was applied to nurses. Results: It was determined that 92.9% of the nurses participating in the study increased lemon and orange consumption, 42.7% onion garlic consumption, 45.1% water consumption and 7.8% home bread consumption in preventing COVID-19. Nurses were found to drink honey and propolis (40%), natural products (50.2%), kefir (15.3%), thyme tea (20%), lime (13.7%) and lemon water (6.3%), gargle with boiling water (26.7%), use vitamin D (44.3%) and pay attention to sleep patterns (49.4%). Conclusion: At the end of this study, it was determined that nurses use herbal products, which are complementary-supportive treatment applications, to prevent COVID-19.