If you want to nourish and clear the lungs, you can choose medicines that nourish yin and clear the lungs (get rid of lung heat by nourishing the fluid in the lungs) such as Clearing Throat and Pharynx Compound and Pear Syrup of Sichuan Pei, etc. It is recommended to use the medicine under the guidance of a doctor. Throat-clearing and pharyngeal combinations have the functions of nourishing yin and clearing the lung, and relieving pharynx and detoxification, and are suitable for pharyngeal swelling and pain caused by yin deficiency and dryness, fire and poison, dryness of throat, and white mossy film on the throat. Diphtheria, acute tonsillitis, pharyngitis, etc. are also suitable for those who see the above symptoms. The adverse reactions and contraindications of this drug are not clear. Chuanbei Pear Syrup has the function of nourishing yin and moisturizing the lung, and is suitable for lung-heat and dry cough, and prolonged cough due to yin deficiency. The adverse effects of this drug are not clear, but attention should be paid to phlegm-dampness recurrent cough and phlegm is contraindicated. If you want to nourish the lungs and clear the lungs, it is recommended that you ask your doctor, standardize the use of medication under the guidance of the doctor, and do not blindly take medication on your own, so as not to make a mistake.