Patients oral lung force cough combination after cough exacerbation, there are several reasons.1, the patient of lung force cough combination of traditional Chinese medicine ingredients produce allergy, induced asthma, violent cough may.2, the patient’s cough nature for cold cough, that is, external cold evil caused by cough, then the application of lung force cough combination of clearing the heat and detoxification, cold and cold medicines will make the symptoms of the cough, the cold evil aggravation.3, because the patient’s own disease will lead to the cough There is no obvious suppression, including malignant tumors, cough aggravation, the application of lung force cough synergist has little effect, but will make the disease further development. Lung Li Cough Compound should be used rationally under the doctor’s diagnosis, and at the same time, the patient’s body for relevant examinations, such as chest CT, X-ray, blood routine, tumor markers, etc., in order to clarify the nature of the disease and symptomatic selection of medication.