Enamel, located on the surface of the crown, is a hard, white, transparent layer of tissue that protects the dentin and pulp tissue inside the tooth. Therefore, bright and intact enamel is a guarantee of healthy teeth. When we consume food with high acid content for a long time, the enamel on the surface of the teeth will be decalcified. Therefore, to prevent tooth enamel corrosion to avoid long-term consumption of acid-containing foods. 1, it is advisable to eat food high in fiber; 2, it is advisable to eat food high in vitamin C; 3, it is advisable to eat food containing citric acid. Enamel erosion is the corrosion of the hard white, translucent, most calcified tissue of the outer layer of the crown, causing damage. When we consume foods with high acidic content for a long time, the enamel on the surface of the teeth will corrode and decalcify. Patients with enamel erosion should pay attention to the daily diet should eat more low-fiber food, suitable for food with high vitamin C content, to eat less food containing citric acid.