The relationship between nutrition and oral health is very close. Nutritional deficiencies can lead to lesions of teeth and oral mucosa, while food can cause dental disease through the role of plaque bacterial metabolites. The vast majority of mental laborers, less exercise, small meals, in a vitamin and mineral, protein needs, intake of less sub-healthy state, the urgent need to supplement vitamins and minerals, in order to maintain health and full of energy. Now life is good, the material supply is rich, why the human body will still lack of vitamins? This is related to people’s eating habits, various pollution, food additives and other food resulting in a large loss of nutrients. Vitamin A, vitamin B2 mainly exists in animal liver, but in recent years, in daily life, there are many people do not like to eat animal liver, and the smaller the meal, is caused by vitamin A, vitamin B2 insufficient intake of a factor that can not be ignored. In addition, in recent years, with the improvement of the standard of living, the more white rice, rice, noodles are more and more fine, the main source of vitamin B1 is grain crops, and mainly in the epidermis and germ part of grain crop seeds. Due to the grain products or repeated processing more than the loss of vitamin B1, the destruction of vitamin B1 increased significantly, resulting in insufficient intake of vitamin B1. 98 years in Anhui Province, a village of more than 10 people in a collective morbidity and one death, is the rice cooking habits due to inappropriate. An agricultural expert said that it is now impossible to find land with the right minerals, enough to supply healthy plants, animals or humans. Dr. Winston Price of the United States investigated some isolated tribes on small islands and found that their bones were well developed, their teeth were straight and free from cavities, and they were free from disease, with zero incidence of cancer, ulcers, high blood pressure, heart disease, kidney disease, tuberculosis, and strokes. From this point of view, the health of primitive peoples is far better than ours. According to the recent nutritional survey of Shanghai residents: Shanghai people per person per day vitamin A intake of only 573.4 micrograms, intake is 69.91% of the supply standard, obviously insufficient. Vitamin B1, the daily intake per person is only 1.2 milligrams, intake is 88.6% of the standard supply. Vitamin B2, the daily intake per person is also only 1.0 mg, intake is 75.4% of the standard supply, both appear to be insufficient. Minerals The minerals in food, especially calcium, phosphorus and fluorine, are important for the mineralization of teeth. Calcium and phosphorus, are the main components of teeth. The growth and development of teeth are influenced by the metabolism of calcium and phosphorus. Recipes with high calcium content, low phosphorus content, increased susceptibility to caries, can cause caries; if the recipe to increase the amount of phosphorus can reduce the rate of caries. If the recipe lacks iron, not only cause anemia will be prone to dental disease. Sucrose-containing caries-causing recipes, if then increase the iron content of its caries rate can be reduced by 50%.