Etanercept is a compounded oral solution with good effect for the treatment of cough with unfavorable sputum discharge, usually 5-7 days as a course of treatment, it is recommended to take 2-3 times daily for the first 2-3 days, and reduce and stop the dosage depending on the improvement of the condition. It is mainly used for the treatment of cough and sputum caused by acute bronchitis, chronic bronchitis, emphysema, bronchial asthma, etc. It has a sweet taste and is easily accepted by children. The ingredients in the drug can reduce the secretion of mucus glands, increase the cilia movement of bronchial tubes, dilate the airway to promote the smooth flow of airways and make sputum easy to cough up. However, patients may occasionally experience psychiatric and neurological symptoms when taking the drug, including headache, limb tremors, drowsiness, etc. Some patients may even experience allergic reactions such as skin rashes. Therefore, it is recommended that patients with severe symptoms promptly consult a doctor who will determine whether to continue taking it.