The invention relates to the field of pharmaceutical formulations and in particular to a traditional Chinese medicine for treating bronchitis. The traditional Chinese medicine is characterized by comprising the following raw material medicines in percentage by weight: 4-8% of chrysanthemum, 5-8% of asarum sieboldii, 5-8% of honeysuckle, 3-6% of Japanese ardisia herb, 5-8% of semen brassicae, 4-7% of false aloe, 6-9% of false chinese swertia herb, 6-9% of cacumen biotae, 4-6% of radix scutellariae, 5-7% of rhizoma imperatae, 5-7% of herba patriniae, 3-5% of folium mori, 3-5% of fructus terminaliae billericae, 2-5% of lily, 3-6% of prunella vulgaris, 2-5% of ajowan, 3-5% of codonopsis pilosula and 5-8% of folia perillae acutae, wherein the 18 raw material medicines are dipped in water, and are removed residues after being stewed to obtain filtrate. The traditional Chinese medicine has the advantages of low cost, high effect for treating the bronchitis and no poison or side effects, has the functions of clearing lung, reducing phlegm, checking asthma, tonifying lung and relieving asthma, and is suitable for virtual and empirical asthma.