Tea contains a lot of theophylline, which can relax smooth muscle. Patients with bronchitis often have symptoms such as wheezing and coughing due to bronchial smooth muscle spasm, so patients with chronic bronchitis are suitable for drinking some light tea.

In addition, tea contains a lot of trace element zinc, which is of great benefit to improve cellular immune function.

In winter, it is suitable for drinking black tea. But for patients with bronchial inflammation, it is good to drink some scented tea in winter, such as jasmine tea and radish salt tea, which can alleviate the symptoms of cough and excessive phlegm.