The invention relates to a tea bag with a 
lung-clearing function. The tea bag is prepared from the following crude drugs by weight: bamboo juice, 
Avena, white sesame seeds, Tuber Siemona Roots, Japanese 
polygala, 
changium smyrnioide, 
Salvia chinensis, Herba Aristolochiae, tangerine seeds, cortex mori radicis, 
houttuynia cordata, buckwheat, fructus lycii, red dates, 
coix seeds, lily, Gorgon fruits, dried 
tangerine peel, 
green tea, mulberries, Thunberg Fritillary 
Bulb, 
radix trichosanthis, coltsfoot flowers, 
radix ophiopogonis, radix asparagi, and Ficus 
carica. With no 
side effect, the tea bag provided in the invention is healthy and safe, has a 
lung-clearing function, can moisten the laryngopharynx, nourish the 
lung, and clear away heat and toxic materials. All the crude drugs can supplement each other, and on the basis of an appropriate proportion, the 
efficacy of each 
crude drug can be brought into fully play, and a comfortable taste can be maintained, so that the tea bag is suitable for long-term drinking by people. Long-term drinking of the tea bag can take away harmful substances from the lung, can restore the lung damages of people, and can protect the 
lung health of people.