People with cold palaces and cold bodies can eat bird's nests. Cold in the uterus is caused by poor blood circulation in the uterus, while cold in the body is caused by blood deficiency, insufficient blood and vitality, and insufficient blood and vitality. Bird's nest is mild and moist, rich in protein and amino acids needed by the human body, which can supplement the nutrients needed by the human body, promote blood circulation to a certain extent, and even promote the secretion of estrogen, keeping the ovaries young. . Long-term use not only makes people look younger, but also improves the symptoms of uterine cold and body cold.