The invention relates to a traditional Chinese medicine formula for treating diabetes, belongs to the technical field of the traditional Chinese medicine, aims at solving the diabetes problem, and provides a traditional Chinese medicine formula prepared from the components of radices trichosanthis, radix puerariae, caulis dendrobii, herba eupatorii, herb of androsace henryi, citrus chirocarpus, herb of anoectochilus formosanus, monkey bezoar, herb of water chestnut, flower of frangipanis, tendril-leaved fritillary bulb, cortex lycii radicis and shaddock filaments, wherein the weight ratio of the components in the formula is as follows: 7 percent of the radices trichosathis, 7 percent of the radix puerariae, 15 percent of the caulis dendrobii, 7 percent of the herba eupatorii, 8 percent of the herb of androsace henryi, 5 percent of the citrus chirocarpus, 15 percent of the herb of anoectochilus formosanus, 2 percent of the monkey bezoar, 5 percent of the herb of water chestnut, 5 percent of the flower of frangipanis, 15 percent of the tendril-leaved fritillary bulb, 4 percent of the cortex lycii radicis and 5 percent of the shaddock filaments. A production and administration process is as follows: the formula medicine is processed into pills, 5 to 10 g of the pills are taken before the meal and are taken three times per day. By adopting the traditional Chinese medicine, the blood glucose can be effectively controlled, and the stability of the blood glucose can be maintained after the traditional Chinese medicine is taken for a long time.