The scent of lilies is usually not harmful to people, some people smell the scent before going to bed may affect sleep, and pollen allergy patients may have itchy skin and other allergic symptoms. The scent of lilies is usually not harmful to the human body, but it is not recommended to inhale the scent of lilies too strongly before going to bed, too strong floral scent may stimulate the nerves, resulting in insomnia. In addition, patients who are allergic to pollen should not inhale the scent of lilies, because lilies emit pollen, and while inhaling the scent of flowers, patients may inhale pollen, which can lead to allergic symptoms such as itchy skin, generalized rash, nasal congestion, runny nose, itchy eyes, and other allergic symptoms, as well as breathing difficulties, coughing and other uncomfortable symptoms.