In these cases, treatment of the cause as well as symptomatic treatment is taken. First of all, if the patient feels that he or she cannot cough up phlegm, he or she can use drugs for expectorant, such as tranylcypromine, eucalyptus pinene and acetylcysteine. If the patient has a heavy cough that affects rest and sleep, cough suppressants can be used, such as compound licorice tablets, strong loquat, pulmonary cough combination, suhuang cough capsule, dextromethorphan, etc. If the patient has the above clinical symptoms due to pharyngitis, he/she should take Fatty Sea tablets, Golden Voice tablets and other related drugs for treatment. If the above clinical symptoms are caused by pathogenic bacteria, patients should take targeted treatment according to different pathogenic bacteria.