It has the functions of nourishing yin, nourishing the lungs, relieving cough, calming the heart and calming the nerves; it is mainly used to treat dry cough due to yin deficiency, hemoptysis due to overwork, pulmonary fistula, asthenia heat, irritability and palpitations, insomnia, dreaminess, etc.; , sedation, hypnosis, improve immunity, increase peripheral leukocytes and other pharmacological effects. Longya lily is rich in alkaloids, protein, mineral elements, etc., and is a treasure in food.