The invention discloses a Chinese medicine detoxifying powder for treating tympanitis, which aims to solve the problems of toxic and side effects and the like in the prior art. The Chinese medicine detoxifying powder for treating tympanitis is prepared from the following active pharmaceutical ingredients: 5g of realgar, 10g of dried alum, 0.3g of borneol, 0.3g of menthol (iced), 3g of cinnabar, 5g of borax and 5g of glauber salt. The active pharmaceutical ingredients are ground into powder to obtain the Chinese medicine detoxifying powder. The Chinese medicine detoxifying powder for treating tympanitis has the effects of promoting the subsidence of swelling, suppressing sweating, eliminating ecpyesis, removing the necrotic tissues to promote tissue regeneration, diminishing inflammations and relieving pain for inflammations, sweating and ecpyesis of tympanitis; the Chinese medicine detoxifying powder for treating tympanitis has the characteristics of short treatment course, quick effect taking and the like; and in common cases, the patient can be cured after taking the Chinese medicine detoxifying powder for treating tympanitis for 5-10 days. The clinical application to thousands of patients within nearly 60 years proves that the curative effect is higher than 96%, and the effective rate is 100%.