The invention relates to the field of traditional Chinese medicine, in particular to a Chinese herbal compound for treating diabetes.Specific to problems existing in treatment of diabetes through western medicine, according to the technical scheme, the Chinese herbal compound for treating diabetes is prepared from, by weight, 90-100 g of radix astragali, 20-30 g of roots of Chinese trichosanthes, 20-30 g of common yam rhizomes, 3-5 g of crude lateral roots of aconite, 3-5 g of processed lateral roots of aconite, 12-15 g of red ginseng, 12-15 g of white atractylodes rhizomes, 15-20 g of dried ginger, 15-20 g of dried rehamnnia roots, 15-20 g of prepared rehmannia roots, 15-20 g of pulp of dogwood fruits, 15-20 g of safflowers, 15-20 g of salt-processed psoralea corylifolia, 15-20 g of ganoderma, 15-20 g of poria cocos, 15-20 g of rhizoma alismatis, 10-15 g of fructus schisandrae chinensis, 30-40 g of semen litchi, 6-10 g of rhizoma coptidis and and 45-50 g of radix glycyrrhizae preparata.The traditional Chinese medicine formulation theory is fully utilized, and it is clinically verified that the effect is remarkable, and the side effect is small.