Black wolfberry has the effect of clearing lung heat and relieving cough, so it is good for the lungs. Black wolfberry is the root bark or fruit of the black wolfberry of the Solanaceae plant, also known as Su wolfberry. Its flavor is bitter, cold in nature, with the effect of clearing lung heat and suppressing cough. In clinical practice, it can be used for the treatment of cough, phlegm, malignant cold (fear of cold), fever, runny nose, sneezing, epistaxis and other conditions. It can also be used to treat asthmatic bronchitis in modern medicine. In summary, black wolfberry is good for the lungs. However, this drug is bitter and cold in nature, patients with weak spleen and stomach as well as weak lung qi should be cautious in using this drug. Patients who need to use this drug, should go to the hospital, under the guidance of the doctor to use, not unauthorized use of drugs to ensure the safety of medication.