1. Green tea: Green tea is rich in polyphenols and has antioxidant effect, which helps to alleviate the inflammatory reaction in the lungs and relieve lung symptoms such as cough.

2. Mulberry leaf tea: Mulberry leaf tea has the effect of moistening lung and clearing lung, which helps to relieve lung problems such as cough, bronchitis and expectoration.

3. citron tea: Grapefruit is rich in vitamin C and flavonoids, which has antioxidant and anti-inflammatory effects, helps to remove free radicals in the lungs and protect lung health.

4. Chrysanthemum tea: Chrysanthemum contains a variety of bioactive substances, which has the functions of clearing away heat and toxic materials, diminishing inflammation and relieving pain, and has a certain relieving effect on lung inflammation, cough and shortness of breath.

5. cassia seed tea: Cassia seed is rich in flavonoids and vitamin C, which has the effects of moistening lung, clearing away lung heat and protecting lung, and can effectively relieve the symptoms caused by lung diseases.