Eucalyptus Pinellia Capsules is a treatment drug for respiratory system diseases, mainly as a sputum-dissolving expectorant, which can be used for acute and chronic sinusitis, acute and chronic bronchitis, pneumonia, bronchiectasis, lung abscess, chronic obstructive pulmonary disease, lung infection, tuberculosis and other respiratory tract diseases, mainly to promote the discharge of sputum, and also to promote the discharge of contrast fluid after bronchography. As a diluent of sputum, it can increase the movement of tracheal cilia, can promote the secretion of respiratory glands, increase the speed of sputum movement, help to expel sputum, and can play a role in relieving cough. Besides, it also has anti-inflammatory effect, and can play a role in relaxing the bronchial tubes by reducing the swelling of bronchial mucosa. In conclusion, Eucalyptus Lemongrass Enteric Capsules are mainly used as a phlegm dissolver and act as an expectorant, which can be used for respiratory system diseases.