Lung pustules usually do not require medication. Compound purple dragon tablets for bronchial dilatation caused by cough, cough phlegm symptoms have a certain effect. Compound Zilong Tablet is a kind of compound preparation with the effect of suppressing cough and expectorant, not only can it act directly on the cough center of the medulla oblongata to inhibit the cough reflex, which has obvious effect of suppressing cough and asthma; it can also regulate the function of the vegetative nerve, inhibit the secretion of the respiratory mucous glands, and make the amount of phlegm decrease obviously. In addition also has the role of diastolic bronchial, enhance immunity. Fufang Zilong Tablet is mainly used for wheezing type and simple type chronic bronchitis. If bronchial dilatation takes this drug, may have some relief of cough and phlegm symptoms. While taking it, patients may experience side effects such as nausea and allergic reactions. This drug is contraindicated for those who are allergic to the drug. Avoid eating spicy food during the use of the drug. However, pulmonary pustules usually do not need to take medication, and can be removed if there are surgical indications. If you need to use Compound Zilong Tablet, it is recommended to use it under the guidance of a doctor to avoid adverse reactions.