The invention discloses a health-care soy sauce, prepared from the following raw materials in parts by weight: 40-70 parts of soybeans, 30-65 parts of bran, 35-70 parts of wheats, 0.1-5 part(s) of seasonings, 2-10 parts of traditional Chinese medicine nutrient solution, 5-20 parts of edible salt and 20-50 parts of water. The traditional Chinese medicine nutrient solution is prepared from the following raw materials in parts by weight: 1-5 part(s) of poria cocos, 3-5 parts of chrysanthemum, 2-7 parts of hawthorn, 1-5 part(s) of liquorice, 2-5 parts of semen cassiae and 1-3 part(s) of medlar. The health-care soy sauce provided by the invention is prepared through the steps of stewing, starter propagation, dilute-state high-salt fermentation and the like; and a production process of the soy sauce is simple and is low in production cost. As the Chinese medicinal herb components such as the poria cocos, the chrysanthemum and the hawthorn are added into the health-care soy sauce, the health-care soy sauce is good in taste and delicious in flavor, also has the functions of reducing blood fat, clearing away heat and toxic materials, preventing cancer and improving human body immunity, and is beneficial to health if being taken for a long time.