The following kinds of tea can clear lung: First, chrysanthemum mint tea, chrysanthemum can clear away heat and toxic materials, remove fire, relieve fatigue, and can be used as a good drink to clear lung and remove fire with mint that can dispel wind and dissipate heat. Second, Ophiopogon japonicus loquat leaf tea, brewed with Ophiopogon japonicus and loquat leaves together, has very significant effects of clearing away lung heat and nourishing yin, promoting fluid production and moistening lung, clearing heart fire and relieving cough, and resolving phlegm. Suitable for people with dry heat, cough, lung fire, anxiety and insomnia. Third, American ginseng tea is also a good drink. People who smoke are prone to problems such as insufficient vaginal fluid and dry lungs. In addition, the respiratory tract is injured by tobacco for a long time, and the resistance will also decrease. Vulnerable to disease. Different from ginseng, American ginseng is not suitable for getting angry, but also has the effects of nourishing yin and benefiting qi, promoting fluid production and quenching thirst. American ginseng can also promote blood circulation, tonify lung and reduce fire, nourish stomach and produce fluid, which is very suitable for smokers to drink.