The invention belongs to the field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine tablet for treating nasal polyp and a preparation method thereof. The tablet is prepared from the following traditional Chinese medicinal raw materials in parts by weight: 10-15 parts of rhizoma atractylodis, 15-20 parts of radix angelicae, 10-15 parts of fructus mume, 10-15 parts of fructus schizandrae, 8-10 parts of Chinese honeylocust fruits, 4-6 parts of alum, 8-10 parts of castor beans, 1-3 parts of borneol, 6-8 parts of bombyx batryticatus, 1-3 parts of asarum, 15-20 parts of clove, 15-20 parts of abrotani herba, 6-8 parts of cortex phellodendri, 8-10 parts of nodus nelumbinis rhizomatis charcoal, 8-10 parts of caulis akebiae, 8-10 parts of muskmelon pedicel, 8-10 parts of radix curcumae, 8-10 parts of radix scutellariae, 10-15 parts of cape jasmine, 10-15 parts of flos magnoliae, 10-15 parts of rhizoma cimicifugae, 10-15 parts of folium eriobotryae, 8-10 parts of rhizoma anemarrhenae, 6-8 parts of fritillaria bulb and 10-15 parts of licorice root. The traditional Chinese medicine can be used for removing slough, promoting growth of tissue regeneration, nourishing yin and lung, clearing heat, removing toxicity, suppressing hyperactive liver for descending adverse qi, astringing and stopping bleeding, can be used for treating both symptoms and root cause of nasal polyp with quick response, and can effectively relieve pain of patients.