The invention discloses a traditional chinese medicine for treating diabetes and complications thereof. The medicine comprises the following components of raw astragalus membranaceus, radices trichosanthis, asparagus cochinchinensis, radix ophiopogonis, atractylodes lancea, raw yam, radix rehmanniae, salvia miltiorrhiza, radix puerariae, radix paeoniae rubra, pure honey, schisandra chinensis, rawliquorice, radix rehmanniae preparata, chinese wolfberry, fried tortoise plastron, parasitic loranthus, scorched eucommia ulmoides, dipsacus root, radix cyathulae, rhizoma cibotii, angelica sinensis,raw radix paeoniae alba, ligusticum wallichii, myrrh, cornu cervi pantotrichum, fructus psoraleae, rhizoma drynariae, safflower carthamus, fructus viticis, spina gleditsiae, loofah sponge, radix astragali preparata, perilla frutescens, fried rhizoma atractylodis macrocephalae, rhizoma cyperi, radix linderae, rhizoma corydalis, radix bupleuri, herba leonuri, rhizoma smilacis glabrae, sargent gloryvine, coix seeds, indigo naturalis, flos magnoliae liliflorae, radix isatidis, honeysuckle flowers, spica prunellae, cortex phellodendri, rhizoma coptidis, rheum officinale, radix gentianae, flos chrysanthemi indici, semen plantaginis, balsam pear roots, gallnuts, cortex pseudolaricis, fleece-flower root and puberulous glochidion herb. The medicine has the beneficial effects that the medicine has no toxic and side effects, and has a good effect on diabetes and complications thereof; and the medicine has an extremely good opsonization on heart, liver, spleen, lung and kidney.