When patients have phlegm in the throat and cough, they should be treated symptomatically for the causes to be the most effective, as follows: 1. Turning and patting the back, oral medication, nebulization inhalation: elderly patients have weak cough and phlegm is retained in the throat, they can turn and pat the back to assist in phlegm excretion, often oral expectorant medication, combined with nebulization inhalation treatment, such as the use of inhaled acetylcysteine solution nebulization to dilute phlegm. 2. Aspiration treatment: some serious If there is phlegm in the throat, which leads to wheezing and difficulty in breathing, the patient needs to be aspirated in time, and some serious patients also need to be treated by tracheal intubation. 3.Laughing treatment: For those who feel phlegm in the throat and cough due to chronic pharyngitis, they can take oral blue scutellaria oral solution for laughing treatment. 4.Anti-inflammatory treatment: If phlegm in the throat and cough are caused by respiratory bacterial and fungal infections, sensitive anti-infective drugs are needed for anti-inflammatory and symptomatic treatment. Anti-inflammatory drugs and symptomatic treatment.