Bean beauty is particularly popular this year. Encyclopedia, one of the most popular TV programs, repeatedly emphasizes the benefits of beans to human body, especially female friends. As a result, the whole people paid attention to it, and even the price of soy products generally rose, exposing the bad guys. The most common saying is that beans have special functions, especially for women. We know that soybeans and black beans are the most common beans, so what are the functions of these two kinds of health and beauty, and which one has better cosmetic effect? Black beans are healthy and beautiful. Black beans are flat and sweet. It has the effects of regulating middle qi and lower qi, nourishing yin and tonifying kidney, enriching blood and improving eyesight, promoting diuresis to reduce swelling, promoting blood circulation and caring skin. Black beans have high nutritional value. Black beans are rich in high-quality protein, fat and carbohydrates. In addition, they also contain more minerals such as calcium, phosphorus and iron, carotene, vitamins B 1, B2, B 12 and other nutrients needed by human body. The nutritional components of black beans keep pace with those of soybeans, but the protein content of black beans is higher than that of soybeans, second only to soybeans. Black beans can be boiled, fried, made into tofu, raw bean sprouts, or made into black bean powder. Eating black beans often has a good nourishing effect on the weak after illness. Black beans enter the kidney meridian, which has the effects of nourishing kidney and tonifying kidney, enriching blood and improving eyesight. Regular consumption of black beans has a good preventive and therapeutic effect on kidney deficiency, low back pain and knee weakness, body edema, rheumatic joint pain, carbuncle swelling and soreness. Li Shizhen said in Compendium of Materia Medica: "If you eat black beans for a long time, the color will be good, but it will never get old." It can be seen that black beans also have the functions of growing skin, benefiting qi, strengthening body and prolonging life. Long-term consumption can make muscles thin and skin white. Health care and beauty of soybean Soybean protein and sitosterol in soybean can significantly improve and reduce blood lipid and cholesterol, thus reducing the probability of cardiovascular disease. Soybean fat is rich in unsaturated fatty acids and soybean phospholipids, which has the functions of maintaining vascular elasticity, strengthening brain and preventing fatty liver formation. Soybean is rich in saponins, protease inhibitors, isoflavones, molybdenum, selenium and other anticancer components, which are useful for almost all cancers such as prostate cancer, skin cancer, intestinal cancer and esophageal cancer. This is why people who often eat soybeans and their products seldom get cancer. Animal estrogen in soybean is very similar to estrogen produced in human body in structure, and can be used as the best food for adjuvant treatment of female climacteric syndrome, which is not only economical and effective, but also has no side effects. Soybean is also rich in calcium, which is also effective for menopausal osteoporosis, and has the best of both worlds. Eating soybeans is of great benefit to dry and rough skin and dry hair, which may improve the metabolism of the skin, urge the body to detoxify and keep the skin young. Saponins in soybean can reduce fat acceptance and promote fat metabolism; Soybean fiber can also speed up the passage of food through the intestine, and people who want to lose weight will definitely achieve the goal of intellectual fitness by eating too much soybeans. Soybean is mainly used for tender food, which has the functions of nourishing the liver and stomach, nourishing and strengthening. The protein content of black beans is the highest, which is helpful for strengthening bones and muscles, beautifying face, blackening hair, improving eyesight and prolonging life.