Tofu is a nourishing, heat-clearing and health-preserving food. Regular eating can tonify the middle energizer, clear away heat and moisten dryness, promote fluid production to quench thirst and clear the stomach. It is more suitable for people with heat constitution, bad breath, thirst, indigestion and fever. Modern medicine has proved that tofu not only has the function of increasing nutrition, helping digestion and stimulating appetite, but also is beneficial to the growth and development of teeth and bones, and can increase the iron content in blood in hematopoietic function; Tofu contains no cholesterol, and is a medicinal food for patients with hypertension, hyperlipidemia, hypercholesterolemia, arteriosclerosis and coronary heart disease. Supplementing nutrition for children, patients and the elderly is also a good diet therapy. Tofu is rich in phytoestrogens and has a good effect on the prevention and treatment of osteoporosis. It also has the function of inhibiting breast cancer, prostate cancer and hematological tumor diseases. Sterol and stigmasterol in tofu are both effective components in inhibiting cancer.