The invention relates to a traditional Chinese medicine for treating tympanitis. The traditional Chinese medicine is prepared from the following raw medicines in parts by weight: 6 parts of folium sennae, 3 parts of lotus nuts, 1 part of euphorbia lunulata, 4 parts of common hogfenneI root, 3 parts of gleditsia sinensis, 4 parts of arisaema heterophyllum blume, 2 parts of pinellia tuber, 3 parts of common coltsfoot, 3 parts of tabasheer, 1 part of hindu datura, 4 parts of folium eriobotryae, 3 parts of small centipeda herb, 5 parts of snake gourd fruit, 3 parts of akebia stem, 8 parts of dried tangerine peel, 5 parts of almonds, 6 parts of rheum officinale, 6 parts of Chinese pulsatilla root, 7 parts of radix sophorae tonkinensis, 6 parts of saussurea involucrate and 2 parts of plaster. Clinical experiments prove that the traditional Chinese medicine can treat tympanitis safely and effectively.