In winter, people like to protect themselves from the cold and strengthen their immune system by eating a variety of nutritious foods. At this time will be more use of teeth. The experts reminded that in the tonic at the same time to pay attention to the protection of teeth. The Chinese medicine believes that “teeth are the gateway to the internal organs”. Usually dental problems are mostly caused by three reasons: first, kidney deficiency, manifested as the essence of the teeth; second, spleen deficiency lack of moistening, manifested as gum malnutrition; third, the stomach has fire, disease between the muscles of the dental bed. Overworking causes kidney deficiency because of insufficient innate endowment, inappropriate nurturing in later life, or excessive depletion of the essence of the kidneys, can cause kidney deficiency. Chinese medicine believes that among the five organs, the kidney is in charge of the bones, and the teeth are the end of the bones. Insufficient kidney qi will shake the essence of the teeth, resulting in loose teeth, yellow and black color, tooth decay and other problems. Tip: Kidney deficient people eat 2 walnuts a day can not only strengthen teeth, but also have a significant effect on the prevention of dental allergies; you can also use 30 grams of Chinese wolfberry, make tea, soup, porridge or directly chewed and served with warm boiled water. Regular consumption can strengthen the muscles and bones, kidneys and teeth. Even if the spleen is deficient due to meat addiction and the kidneys are full, a good set of teeth is born, but it needs to be effectively maintained later in life. If you like to eat meat, your spleen and stomach will be weakened and your digestion and absorption will be disrupted, so you will not be able to biochemistry and blood, which will cause a deficiency of qi and blood and make it difficult for nutrients to be transferred to the gums. Once the teeth lose their nourishment, the gums gradually shrink, the roots of the teeth are exposed, and various problems of the teeth will appear in turn. Tip: People with kidney deficiency can eat more honey, which is good for promoting the secretion of digestive juices and inhibiting the growth of bacteria that can cause tooth decay, so as to avoid loosening and losing teeth. You can also eat jujube often, the effective ingredients in jujube can effectively inhibit the formation of dental plaque, thus protecting teeth.