The invention discloses health-care bean curd, raw materials of which contain Chinese herbal additive powder A, an iodine-rich additive, Chinese herbal additive powder B, soya-bean milk, mulberry ash, cistanche, motherwort, sharpleaf galangal fruit, radix bupleuri, curcuma tuber, semen litchi, raw rehmannia root, rheum officinale, radix paeoniae rubra, white peony root, haw, dried orange peel, Poria cocos, pectase and cellulose. The invention also brings forward a preparation method of the above health-care bean curd. According to the health-care bean curd prepared in the invention, defects of iodine deficiency and arteriosclerosis caused by food consumption of too much traditional bean curd can be overcome, and gout patients with disorder of purine metabolism and patiens with increased blood uric acid concentration can be avoided from gout flare.