Phlegm in the throat and chest tightness may be symptoms of simple pharyngitis, but also may be caused by bronchial, pulmonary or other respiratory system diseases, and of course, cardiovascular system diseases should be excluded. If you have phlegm in your throat and usually have the habit of smoking, you can first see if your throat is congested and your tonsils are swollen, and you can take oral Blue Scutellaria Oral Liquid, Compound Fishy Herb Oral Liquid, and Compound Fresh Bamboo Liquid to clear heat and detoxify and resolve phlegm. If the symptoms are not significantly relieved after taking the medicine, especially if it is still accompanied by chest tightness, it is recommended to go to the hospital for further examination of chest CT and ECG in time to exclude pleural effusion, pneumothorax, coronary heart disease, angina and other diseases.